Finding the Fourth Proportional to 125,958.90, 173,815.26 and 69,370.26
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Solution
The fourth proportional to 125,958.90, 173,815.26 and 69,370.26 is: 95,726.54
Step by Step Solution
- Step 1: Write the proportion equation
125,958.90 : 173,815.26 = 69,370.26 : x - Step 2: Convert to fraction form
125,958.90/173,815.26 = 69,370.26/x - Step 3: Cross multiply
125,958.90x = 173,815.26 × 69,370.26 - Step 4: Simplify right side
125,958.90x = 12,057,609,778.17 - Step 5: Solve for x
x = 12,057,609,778.17/125,958.90 - Step 6: Final answer
x = 95,726.54
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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.