Home / 238,747.50-329,471.72-131,325.70

Finding the Fourth Proportional to 238,747.50, 329,471.72 and 131,325.70

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Solution

The fourth proportional to 238,747.50, 329,471.72 and 131,325.70 is: 181,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,747.50 : 329,471.72 = 131,325.70 : x
  2. Step 2: Convert to fraction form
    238,747.50/329,471.72 = 131,325.70/x
  3. Step 3: Cross multiply
    238,747.50x = 329,471.72 × 131,325.70
  4. Step 4: Simplify right side
    238,747.50x = 43,268,104,259.20
  5. Step 5: Solve for x
    x = 43,268,104,259.20/238,747.50
  6. Step 6: Final answer
    x = 181,229.56

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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.