Finding the Fourth Proportional to 125,587.26, 173,305.17 and 74,604.65
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Solution
The fourth proportional to 125,587.26, 173,305.17 and 74,604.65 is: 102,951.29
Step by Step Solution
- Step 1: Write the proportion equation
125,587.26 : 173,305.17 = 74,604.65 : x - Step 2: Convert to fraction form
125,587.26/173,305.17 = 74,604.65/x - Step 3: Cross multiply
125,587.26x = 173,305.17 × 74,604.65 - Step 4: Simplify right side
125,587.26x = 12,929,370,684.51 - Step 5: Solve for x
x = 12,929,370,684.51/125,587.26 - Step 6: Final answer
x = 102,951.29
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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.