Finding the Fourth Proportional to 118,136.97, 177,008.16 and 83,013.75
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Solution
The fourth proportional to 118,136.97, 177,008.16 and 83,013.75 is: 124,381.99
Step by Step Solution
- Step 1: Write the proportion equation
118,136.97 : 177,008.16 = 83,013.75 : x - Step 2: Convert to fraction form
118,136.97/177,008.16 = 83,013.75/x - Step 3: Cross multiply
118,136.97x = 177,008.16 × 83,013.75 - Step 4: Simplify right side
118,136.97x = 14,694,111,142.20 - Step 5: Solve for x
x = 14,694,111,142.20/118,136.97 - Step 6: Final answer
x = 124,381.99
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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.