Home / 238,716.73-329,422.51-131,286.75

Finding the Fourth Proportional to 238,716.73, 329,422.51 and 131,286.75

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Solution

The fourth proportional to 238,716.73, 329,422.51 and 131,286.75 is: 181,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,716.73 : 329,422.51 = 131,286.75 : x
  2. Step 2: Convert to fraction form
    238,716.73/329,422.51 = 131,286.75/x
  3. Step 3: Cross multiply
    238,716.73x = 329,422.51 × 131,286.75
  4. Step 4: Simplify right side
    238,716.73x = 43,248,810,714.74
  5. Step 5: Solve for x
    x = 43,248,810,714.74/238,716.73
  6. Step 6: Final answer
    x = 181,172.10

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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.