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Finding the Fourth Proportional to 127,242.67, 175,600.29 and 70,654

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Solution

The fourth proportional to 127,242.67, 175,600.29 and 70,654 is: 97,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,242.67 : 175,600.29 = 70,654 : x
  2. Step 2: Convert to fraction form
    127,242.67/175,600.29 = 70,654/x
  3. Step 3: Cross multiply
    127,242.67x = 175,600.29 × 70,654
  4. Step 4: Simplify right side
    127,242.67x = 12,406,862,889.66
  5. Step 5: Solve for x
    x = 12,406,862,889.66/127,242.67
  6. Step 6: Final answer
    x = 97,505.52

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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.