Finding the Fourth Proportional to 125,702.40, 173,469.28 and 69,117.44
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Solution
The fourth proportional to 125,702.40, 173,469.28 and 69,117.44 is: 95,382.05
Step by Step Solution
- Step 1: Write the proportion equation
125,702.40 : 173,469.28 = 69,117.44 : x - Step 2: Convert to fraction form
125,702.40/173,469.28 = 69,117.44/x - Step 3: Cross multiply
125,702.40x = 173,469.28 × 69,117.44 - Step 4: Simplify right side
125,702.40x = 11,989,752,552.24 - Step 5: Solve for x
x = 11,989,752,552.24/125,702.40 - Step 6: Final answer
x = 95,382.05
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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.