Hello there, Treasurer888.
Welcome to the Community. I can help clarify why the data doesn't match on the Balance Sheet Report.
The way transactions are recorded affects how the data is displayed in the report. Aside from that, the accounting method used will also show different information.
The Cash and Accrual Basis accounting in QuickBooks Online are methods of reporting income and expenses. A Cash Basis Report only shows income when cash is received and expenses once they’re paid.
Meanwhile, the Accrual Basis shows income regardless of when the money is received or paid.
The following guides provide an overview of the accounting basis in QBO as well as for instructions on how to compare the Balance Sheet to other reports.
Reach out to me if you need further assistance while working in QBO. Please know I'm always here to help and make sure this is taken care of. Enjoy the rest of the week.