Finding the Fourth Proportional to 134,375.88, 185,239.92 and 85,972.59
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Solution
The fourth proportional to 134,375.88, 185,239.92 and 85,972.59 is: 118,514.99
Step by Step Solution
- Step 1: Write the proportion equation
134,375.88 : 185,239.92 = 85,972.59 : x - Step 2: Convert to fraction form
134,375.88/185,239.92 = 85,972.59/x - Step 3: Cross multiply
134,375.88x = 185,239.92 × 85,972.59 - Step 4: Simplify right side
134,375.88x = 15,925,555,693.79 - Step 5: Solve for x
x = 15,925,555,693.79/134,375.88 - Step 6: Final answer
x = 118,514.99
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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.