Home / 238,679.68-329,380.34-131,250.48

Finding the Fourth Proportional to 238,679.68, 329,380.34 and 131,250.48

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Solution

The fourth proportional to 238,679.68, 329,380.34 and 131,250.48 is: 181,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,679.68 : 329,380.34 = 131,250.48 : x
  2. Step 2: Convert to fraction form
    238,679.68/329,380.34 = 131,250.48/x
  3. Step 3: Cross multiply
    238,679.68x = 329,380.34 × 131,250.48
  4. Step 4: Simplify right side
    238,679.68x = 43,231,327,727.56
  5. Step 5: Solve for x
    x = 43,231,327,727.56/238,679.68
  6. Step 6: Final answer
    x = 181,126.97

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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.