Home / 238,711.38-329,415.12-131,281.42

Finding the Fourth Proportional to 238,711.38, 329,415.12 and 131,281.42

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Solution

The fourth proportional to 238,711.38, 329,415.12 and 131,281.42 is: 181,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,711.38 : 329,415.12 = 131,281.42 : x
  2. Step 2: Convert to fraction form
    238,711.38/329,415.12 = 131,281.42/x
  3. Step 3: Cross multiply
    238,711.38x = 329,415.12 × 131,281.42
  4. Step 4: Simplify right side
    238,711.38x = 43,246,084,723.07
  5. Step 5: Solve for x
    x = 43,246,084,723.07/238,711.38
  6. Step 6: Final answer
    x = 181,164.74

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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.