Finding the Fourth Proportional to 125,498.26, 173,176.86 and 71,774.65
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Solution
The fourth proportional to 125,498.26, 173,176.86 and 71,774.65 is: 99,042.88
Step by Step Solution
- Step 1: Write the proportion equation
125,498.26 : 173,176.86 = 71,774.65 : x - Step 2: Convert to fraction form
125,498.26/173,176.86 = 71,774.65/x - Step 3: Cross multiply
125,498.26x = 173,176.86 × 71,774.65 - Step 4: Simplify right side
125,498.26x = 12,429,708,514.60 - Step 5: Solve for x
x = 12,429,708,514.60/125,498.26 - Step 6: Final answer
x = 99,042.88
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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.