Home / 238,708.68-329,419.17-131,285.58

Finding the Fourth Proportional to 238,708.68, 329,419.17 and 131,285.58

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Solution

The fourth proportional to 238,708.68, 329,419.17 and 131,285.58 is: 181,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,708.68 : 329,419.17 = 131,285.58 : x
  2. Step 2: Convert to fraction form
    238,708.68/329,419.17 = 131,285.58/x
  3. Step 3: Cross multiply
    238,708.68x = 329,419.17 × 131,285.58
  4. Step 4: Simplify right side
    238,708.68x = 43,247,986,796.57
  5. Step 5: Solve for x
    x = 43,247,986,796.57/238,708.68
  6. Step 6: Final answer
    x = 181,174.76

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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.