Finding the Fourth Proportional to 123,332.48, 170,195.21 and 69,622.49
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Solution
The fourth proportional to 123,332.48, 170,195.21 and 69,622.49 is: 96,076.99
Step by Step Solution
- Step 1: Write the proportion equation
123,332.48 : 170,195.21 = 69,622.49 : x - Step 2: Convert to fraction form
123,332.48/170,195.21 = 69,622.49/x - Step 3: Cross multiply
123,332.48x = 170,195.21 × 69,622.49 - Step 4: Simplify right side
123,332.48x = 11,849,413,107.18 - Step 5: Solve for x
x = 11,849,413,107.18/123,332.48 - Step 6: Final answer
x = 96,076.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.