Home / 238,680.68-329,381.72-131,251.48

Finding the Fourth Proportional to 238,680.68, 329,381.72 and 131,251.48

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Solution

The fourth proportional to 238,680.68, 329,381.72 and 131,251.48 is: 181,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,680.68 : 329,381.72 = 131,251.48 : x
  2. Step 2: Convert to fraction form
    238,680.68/329,381.72 = 131,251.48/x
  3. Step 3: Cross multiply
    238,680.68x = 329,381.72 × 131,251.48
  4. Step 4: Simplify right side
    238,680.68x = 43,231,838,234.95
  5. Step 5: Solve for x
    x = 43,231,838,234.95/238,680.68
  6. Step 6: Final answer
    x = 181,128.35

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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.