Finding the Fourth Proportional to 125,702.78, 173,470.08 and 69,114.18
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Solution
The fourth proportional to 125,702.78, 173,470.08 and 69,114.18 is: 95,377.70
Step by Step Solution
- Step 1: Write the proportion equation
125,702.78 : 173,470.08 = 69,114.18 : x - Step 2: Convert to fraction form
125,702.78/173,470.08 = 69,114.18/x - Step 3: Cross multiply
125,702.78x = 173,470.08 × 69,114.18 - Step 4: Simplify right side
125,702.78x = 11,989,242,333.73 - Step 5: Solve for x
x = 11,989,242,333.73/125,702.78 - Step 6: Final answer
x = 95,377.70
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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.