Home / 238,935.38-329,726.86-131,503.25

Finding the Fourth Proportional to 238,935.38, 329,726.86 and 131,503.25

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Solution

The fourth proportional to 238,935.38, 329,726.86 and 131,503.25 is: 181,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,935.38 : 329,726.86 = 131,503.25 : x
  2. Step 2: Convert to fraction form
    238,935.38/329,726.86 = 131,503.25/x
  3. Step 3: Cross multiply
    238,935.38x = 329,726.86 × 131,503.25
  4. Step 4: Simplify right side
    238,935.38x = 43,360,154,197.85
  5. Step 5: Solve for x
    x = 43,360,154,197.85/238,935.38
  6. Step 6: Final answer
    x = 181,472.31

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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.