Home / 178,728.38-268,129.37-52,372.73

Finding the Fourth Proportional to 178,728.38, 268,129.37 and 52,372.73

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Solution

The fourth proportional to 178,728.38, 268,129.37 and 52,372.73 is: 78,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,728.38 : 268,129.37 = 52,372.73 : x
  2. Step 2: Convert to fraction form
    178,728.38/268,129.37 = 52,372.73/x
  3. Step 3: Cross multiply
    178,728.38x = 268,129.37 × 52,372.73
  4. Step 4: Simplify right side
    178,728.38x = 14,042,667,901.34
  5. Step 5: Solve for x
    x = 14,042,667,901.34/178,728.38
  6. Step 6: Final answer
    x = 78,569.88

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1.5x scale

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.