Finding the Fourth Proportional to 118,181.97, 177,125.27 and 75,949.65
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Solution
The fourth proportional to 118,181.97, 177,125.27 and 75,949.65 is: 113,829.56
Step by Step Solution
- Step 1: Write the proportion equation
118,181.97 : 177,125.27 = 75,949.65 : x - Step 2: Convert to fraction form
118,181.97/177,125.27 = 75,949.65/x - Step 3: Cross multiply
118,181.97x = 177,125.27 × 75,949.65 - Step 4: Simplify right side
118,181.97x = 13,452,601,882.91 - Step 5: Solve for x
x = 13,452,601,882.91/118,181.97 - Step 6: Final answer
x = 113,829.56
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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.