Home / 178,732.20-268,134.30-52,372.20

Finding the Fourth Proportional to 178,732.20, 268,134.30 and 52,372.20

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Solution

The fourth proportional to 178,732.20, 268,134.30 and 52,372.20 is: 78,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,732.20 : 268,134.30 = 52,372.20 : x
  2. Step 2: Convert to fraction form
    178,732.20/268,134.30 = 52,372.20/x
  3. Step 3: Cross multiply
    178,732.20x = 268,134.30 × 52,372.20
  4. Step 4: Simplify right side
    178,732.20x = 14,042,783,186.46
  5. Step 5: Solve for x
    x = 14,042,783,186.46/178,732.20
  6. Step 6: Final answer
    x = 78,568.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.