Finding the Fourth Proportional to 126,146.79, 171,750.60 and 125,753.13
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Solution
The fourth proportional to 126,146.79, 171,750.60 and 125,753.13 is: 171,214.63
Step by Step Solution
- Step 1: Write the proportion equation
126,146.79 : 171,750.60 = 125,753.13 : x - Step 2: Convert to fraction form
126,146.79/171,750.60 = 125,753.13/x - Step 3: Cross multiply
126,146.79x = 171,750.60 × 125,753.13 - Step 4: Simplify right side
126,146.79x = 21,598,175,529.38 - Step 5: Solve for x
x = 21,598,175,529.38/126,146.79 - Step 6: Final answer
x = 171,214.63
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.