Finding the Fourth Proportional to 123,748.24, 170,772.66 and 67,159.62
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Solution
The fourth proportional to 123,748.24, 170,772.66 and 67,159.62 is: 92,680.32
Step by Step Solution
- Step 1: Write the proportion equation
123,748.24 : 170,772.66 = 67,159.62 : x - Step 2: Convert to fraction form
123,748.24/170,772.66 = 67,159.62/x - Step 3: Cross multiply
123,748.24x = 170,772.66 × 67,159.62 - Step 4: Simplify right side
123,748.24x = 11,469,026,098.13 - Step 5: Solve for x
x = 11,469,026,098.13/123,748.24 - Step 6: Final answer
x = 92,680.32
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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.