Home / 238,575.17-329,234.12-131,145.89

Finding the Fourth Proportional to 238,575.17, 329,234.12 and 131,145.89

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Solution

The fourth proportional to 238,575.17, 329,234.12 and 131,145.89 is: 180,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,575.17 : 329,234.12 = 131,145.89 : x
  2. Step 2: Convert to fraction form
    238,575.17/329,234.12 = 131,145.89/x
  3. Step 3: Cross multiply
    238,575.17x = 329,234.12 × 131,145.89
  4. Step 4: Simplify right side
    238,575.17x = 43,177,699,875.66
  5. Step 5: Solve for x
    x = 43,177,699,875.66/238,575.17
  6. Step 6: Final answer
    x = 180,981.53

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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.