Finding the Fourth Proportional to 124,922.17, 187,082.97 and 71,452.09
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Solution
The fourth proportional to 124,922.17, 187,082.97 and 71,452.09 is: 107,006.38
Step by Step Solution
- Step 1: Write the proportion equation
124,922.17 : 187,082.97 = 71,452.09 : x - Step 2: Convert to fraction form
124,922.17/187,082.97 = 71,452.09/x - Step 3: Cross multiply
124,922.17x = 187,082.97 × 71,452.09 - Step 4: Simplify right side
124,922.17x = 13,367,469,209.91 - Step 5: Solve for x
x = 13,367,469,209.91/124,922.17 - Step 6: Final answer
x = 107,006.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.