Home / 203,974.20-281,490.66-123,416.52

Finding the Fourth Proportional to 203,974.20, 281,490.66 and 123,416.52

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Solution

The fourth proportional to 203,974.20, 281,490.66 and 123,416.52 is: 170,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974.20 : 281,490.66 = 123,416.52 : x
  2. Step 2: Convert to fraction form
    203,974.20/281,490.66 = 123,416.52/x
  3. Step 3: Cross multiply
    203,974.20x = 281,490.66 × 123,416.52
  4. Step 4: Simplify right side
    203,974.20x = 34,740,597,669.70
  5. Step 5: Solve for x
    x = 34,740,597,669.70/203,974.20
  6. Step 6: Final answer
    x = 170,318.59

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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.