Home / 238,780.69-329,522.46-131,350.73

Finding the Fourth Proportional to 238,780.69, 329,522.46 and 131,350.73

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Solution

The fourth proportional to 238,780.69, 329,522.46 and 131,350.73 is: 181,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,780.69 : 329,522.46 = 131,350.73 : x
  2. Step 2: Convert to fraction form
    238,780.69/329,522.46 = 131,350.73/x
  3. Step 3: Cross multiply
    238,780.69x = 329,522.46 × 131,350.73
  4. Step 4: Simplify right side
    238,780.69x = 43,283,016,124.63
  5. Step 5: Solve for x
    x = 43,283,016,124.63/238,780.69
  6. Step 6: Final answer
    x = 181,266.82

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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.