Home / 238,981.38-329,794.22-131,550.88

Finding the Fourth Proportional to 238,981.38, 329,794.22 and 131,550.88

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Solution

The fourth proportional to 238,981.38, 329,794.22 and 131,550.88 is: 181,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,981.38 : 329,794.22 = 131,550.88 : x
  2. Step 2: Convert to fraction form
    238,981.38/329,794.22 = 131,550.88/x
  3. Step 3: Cross multiply
    238,981.38x = 329,794.22 × 131,550.88
  4. Step 4: Simplify right side
    238,981.38x = 43,384,719,859.91
  5. Step 5: Solve for x
    x = 43,384,719,859.91/238,981.38
  6. Step 6: Final answer
    x = 181,540.17

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1.5x scale

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.