Finding the Fourth Proportional to 115,120.18, 172,361.42 and 58,839.09
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Solution
The fourth proportional to 115,120.18, 172,361.42 and 58,839.09 is: 88,095.67
Step by Step Solution
- Step 1: Write the proportion equation
115,120.18 : 172,361.42 = 58,839.09 : x - Step 2: Convert to fraction form
115,120.18/172,361.42 = 58,839.09/x - Step 3: Cross multiply
115,120.18x = 172,361.42 × 58,839.09 - Step 4: Simplify right side
115,120.18x = 10,141,589,103.91 - Step 5: Solve for x
x = 10,141,589,103.91/115,120.18 - Step 6: Final answer
x = 88,095.67
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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.