Finding the Fourth Proportional to 125,756.92, 173,542.70 and 69,164.92
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Solution
The fourth proportional to 125,756.92, 173,542.70 and 69,164.92 is: 95,446.57
Step by Step Solution
- Step 1: Write the proportion equation
125,756.92 : 173,542.70 = 69,164.92 : x - Step 2: Convert to fraction form
125,756.92/173,542.70 = 69,164.92/x - Step 3: Cross multiply
125,756.92x = 173,542.70 × 69,164.92 - Step 4: Simplify right side
125,756.92x = 12,003,066,962.08 - Step 5: Solve for x
x = 12,003,066,962.08/125,756.92 - Step 6: Final answer
x = 95,446.57
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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.