Home / 238,979.82-329,801.57-131,559.85

Finding the Fourth Proportional to 238,979.82, 329,801.57 and 131,559.85

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Solution

The fourth proportional to 238,979.82, 329,801.57 and 131,559.85 is: 181,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,979.82 : 329,801.57 = 131,559.85 : x
  2. Step 2: Convert to fraction form
    238,979.82/329,801.57 = 131,559.85/x
  3. Step 3: Cross multiply
    238,979.82x = 329,801.57 × 131,559.85
  4. Step 4: Simplify right side
    238,979.82x = 43,388,644,211.66
  5. Step 5: Solve for x
    x = 43,388,644,211.66/238,979.82
  6. Step 6: Final answer
    x = 181,557.78

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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.