Finding the Fourth Proportional to 125,915.38, 173,763.26 and 69,326.75
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Solution
The fourth proportional to 125,915.38, 173,763.26 and 69,326.75 is: 95,670.94
Step by Step Solution
- Step 1: Write the proportion equation
125,915.38 : 173,763.26 = 69,326.75 : x - Step 2: Convert to fraction form
125,915.38/173,763.26 = 69,326.75/x - Step 3: Cross multiply
125,915.38x = 173,763.26 × 69,326.75 - Step 4: Simplify right side
125,915.38x = 12,046,442,432.95 - Step 5: Solve for x
x = 12,046,442,432.95/125,915.38 - Step 6: Final answer
x = 95,670.94
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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.