Home / 203,890.96-281,367.24-113,247.76

Finding the Fourth Proportional to 203,890.96, 281,367.24 and 113,247.76

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Solution

The fourth proportional to 203,890.96, 281,367.24 and 113,247.76 is: 156,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,890.96 : 281,367.24 = 113,247.76 : x
  2. Step 2: Convert to fraction form
    203,890.96/281,367.24 = 113,247.76/x
  3. Step 3: Cross multiply
    203,890.96x = 281,367.24 × 113,247.76
  4. Step 4: Simplify right side
    203,890.96x = 31,864,209,667.38
  5. Step 5: Solve for x
    x = 31,864,209,667.38/203,890.96
  6. Step 6: Final answer
    x = 156,280.64

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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.