Home / 238,985.52-329,799.92-131,555

Finding the Fourth Proportional to 238,985.52, 329,799.92 and 131,555

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Solution

The fourth proportional to 238,985.52, 329,799.92 and 131,555 is: 181,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,985.52 : 329,799.92 = 131,555 : x
  2. Step 2: Convert to fraction form
    238,985.52/329,799.92 = 131,555/x
  3. Step 3: Cross multiply
    238,985.52x = 329,799.92 × 131,555
  4. Step 4: Simplify right side
    238,985.52x = 43,386,828,475.60
  5. Step 5: Solve for x
    x = 43,386,828,475.60/238,985.52
  6. Step 6: Final answer
    x = 181,545.85

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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.