Home / 238,632.27-329,319.03-129,743.97

Finding the Fourth Proportional to 238,632.27, 329,319.03 and 129,743.97

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Solution

The fourth proportional to 238,632.27, 329,319.03 and 129,743.97 is: 179,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,632.27 : 329,319.03 = 129,743.97 : x
  2. Step 2: Convert to fraction form
    238,632.27/329,319.03 = 129,743.97/x
  3. Step 3: Cross multiply
    238,632.27x = 329,319.03 × 129,743.97
  4. Step 4: Simplify right side
    238,632.27x = 42,727,158,348.75
  5. Step 5: Solve for x
    x = 42,727,158,348.75/238,632.27
  6. Step 6: Final answer
    x = 179,050.21

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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.