Finding the Fourth Proportional to 140,614.57, 194,138.67 and 125,481.21
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Solution
The fourth proportional to 140,614.57, 194,138.67 and 125,481.21 is: 173,244.89
Step by Step Solution
- Step 1: Write the proportion equation
140,614.57 : 194,138.67 = 125,481.21 : x - Step 2: Convert to fraction form
140,614.57/194,138.67 = 125,481.21/x - Step 3: Cross multiply
140,614.57x = 194,138.67 × 125,481.21 - Step 4: Simplify right side
140,614.57x = 24,360,755,219.39 - Step 5: Solve for x
x = 24,360,755,219.39/140,614.57 - Step 6: Final answer
x = 173,244.89
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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.