Finding the Fourth Proportional to 123,133.23, 169,925.85 and 69,420.92
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Solution
The fourth proportional to 123,133.23, 169,925.85 and 69,420.92 is: 95,801.99
Step by Step Solution
- Step 1: Write the proportion equation
123,133.23 : 169,925.85 = 69,420.92 : x - Step 2: Convert to fraction form
123,133.23/169,925.85 = 69,420.92/x - Step 3: Cross multiply
123,133.23x = 169,925.85 × 69,420.92 - Step 4: Simplify right side
123,133.23x = 11,796,407,989.15 - Step 5: Solve for x
x = 11,796,407,989.15/123,133.23 - Step 6: Final answer
x = 95,801.99
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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.