Home / 238,833.20-329,581.50-131,402.12

Finding the Fourth Proportional to 238,833.20, 329,581.50 and 131,402.12

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Solution

The fourth proportional to 238,833.20, 329,581.50 and 131,402.12 is: 181,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,833.20 : 329,581.50 = 131,402.12 : x
  2. Step 2: Convert to fraction form
    238,833.20/329,581.50 = 131,402.12/x
  3. Step 3: Cross multiply
    238,833.20x = 329,581.50 × 131,402.12
  4. Step 4: Simplify right side
    238,833.20x = 43,307,707,812.78
  5. Step 5: Solve for x
    x = 43,307,707,812.78/238,833.20
  6. Step 6: Final answer
    x = 181,330.35

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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.