Finding the Fourth Proportional to 125,793.02, 173,619.18 and 72,114.08
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Solution
The fourth proportional to 125,793.02, 173,619.18 and 72,114.08 is: 99,531.65
Step by Step Solution
- Step 1: Write the proportion equation
125,793.02 : 173,619.18 = 72,114.08 : x - Step 2: Convert to fraction form
125,793.02/173,619.18 = 72,114.08/x - Step 3: Cross multiply
125,793.02x = 173,619.18 × 72,114.08 - Step 4: Simplify right side
125,793.02x = 12,520,387,436.05 - Step 5: Solve for x
x = 12,520,387,436.05/125,793.02 - Step 6: Final answer
x = 99,531.65
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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.