Home / 203,543.20-280,882.97-122,956.71

Finding the Fourth Proportional to 203,543.20, 280,882.97 and 122,956.71

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Solution

The fourth proportional to 203,543.20, 280,882.97 and 122,956.71 is: 169,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,543.20 : 280,882.97 = 122,956.71 : x
  2. Step 2: Convert to fraction form
    203,543.20/280,882.97 = 122,956.71/x
  3. Step 3: Cross multiply
    203,543.20x = 280,882.97 × 122,956.71
  4. Step 4: Simplify right side
    203,543.20x = 34,536,445,123.39
  5. Step 5: Solve for x
    x = 34,536,445,123.39/203,543.20
  6. Step 6: Final answer
    x = 169,676.24

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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.