Home / 238,675.14-329,380.11-131,253.30

Finding the Fourth Proportional to 238,675.14, 329,380.11 and 131,253.30

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Solution

The fourth proportional to 238,675.14, 329,380.11 and 131,253.30 is: 181,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,675.14 : 329,380.11 = 131,253.30 : x
  2. Step 2: Convert to fraction form
    238,675.14/329,380.11 = 131,253.30/x
  3. Step 3: Cross multiply
    238,675.14x = 329,380.11 × 131,253.30
  4. Step 4: Simplify right side
    238,675.14x = 43,232,226,391.86
  5. Step 5: Solve for x
    x = 43,232,226,391.86/238,675.14
  6. Step 6: Final answer
    x = 181,134.18

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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.