Finding the Fourth Proportional to 125,195.32, 187,793.30 and 31,701.08
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Solution
The fourth proportional to 125,195.32, 187,793.30 and 31,701.08 is: 47,551.70
Step by Step Solution
- Step 1: Write the proportion equation
125,195.32 : 187,793.30 = 31,701.08 : x - Step 2: Convert to fraction form
125,195.32/187,793.30 = 31,701.08/x - Step 3: Cross multiply
125,195.32x = 187,793.30 × 31,701.08 - Step 4: Simplify right side
125,195.32x = 5,953,250,426.76 - Step 5: Solve for x
x = 5,953,250,426.76/125,195.32 - Step 6: Final answer
x = 47,551.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.