Home / 238,716.50-329,437.05-131,294.66

Finding the Fourth Proportional to 238,716.50, 329,437.05 and 131,294.66

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Solution

The fourth proportional to 238,716.50, 329,437.05 and 131,294.66 is: 181,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,716.50 : 329,437.05 = 131,294.66 : x
  2. Step 2: Convert to fraction form
    238,716.50/329,437.05 = 131,294.66/x
  3. Step 3: Cross multiply
    238,716.50x = 329,437.05 × 131,294.66
  4. Step 4: Simplify right side
    238,716.50x = 43,253,325,471.15
  5. Step 5: Solve for x
    x = 43,253,325,471.15/238,716.50
  6. Step 6: Final answer
    x = 181,191.18

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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.