Finding the Fourth Proportional to 125,195.28, 172,773.81 and 68,606.70
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Solution
The fourth proportional to 125,195.28, 172,773.81 and 68,606.70 is: 94,679.62
Step by Step Solution
- Step 1: Write the proportion equation
125,195.28 : 172,773.81 = 68,606.70 : x - Step 2: Convert to fraction form
125,195.28/172,773.81 = 68,606.70/x - Step 3: Cross multiply
125,195.28x = 172,773.81 × 68,606.70 - Step 4: Simplify right side
125,195.28x = 11,853,440,950.53 - Step 5: Solve for x
x = 11,853,440,950.53/125,195.28 - Step 6: Final answer
x = 94,679.62
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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.