Finding the Fourth Proportional to 107,272.26, 160,934.91 and 75,744.09
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Solution
The fourth proportional to 107,272.26, 160,934.91 and 75,744.09 is: 113,634.86
Step by Step Solution
- Step 1: Write the proportion equation
107,272.26 : 160,934.91 = 75,744.09 : x - Step 2: Convert to fraction form
107,272.26/160,934.91 = 75,744.09/x - Step 3: Cross multiply
107,272.26x = 160,934.91 × 75,744.09 - Step 4: Simplify right side
107,272.26x = 12,189,868,307.18 - Step 5: Solve for x
x = 12,189,868,307.18/107,272.26 - Step 6: Final answer
x = 113,634.86
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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.