Finding the Fourth Proportional to 127,052.27, 175,538.07 and 108,131.99
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Solution
The fourth proportional to 127,052.27, 175,538.07 and 108,131.99 is: 149,397.41
Step by Step Solution
- Step 1: Write the proportion equation
127,052.27 : 175,538.07 = 108,131.99 : x - Step 2: Convert to fraction form
127,052.27/175,538.07 = 108,131.99/x - Step 3: Cross multiply
127,052.27x = 175,538.07 × 108,131.99 - Step 4: Simplify right side
127,052.27x = 18,981,279,952.17 - Step 5: Solve for x
x = 18,981,279,952.17/127,052.27 - Step 6: Final answer
x = 149,397.41
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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.