Home / 238,714.12-329,426.39-131,290.91

Finding the Fourth Proportional to 238,714.12, 329,426.39 and 131,290.91

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Solution

The fourth proportional to 238,714.12, 329,426.39 and 131,290.91 is: 181,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,714.12 : 329,426.39 = 131,290.91 : x
  2. Step 2: Convert to fraction form
    238,714.12/329,426.39 = 131,290.91/x
  3. Step 3: Cross multiply
    238,714.12x = 329,426.39 × 131,290.91
  4. Step 4: Simplify right side
    238,714.12x = 43,250,690,437.56
  5. Step 5: Solve for x
    x = 43,250,690,437.56/238,714.12
  6. Step 6: Final answer
    x = 181,181.95

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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.