Home / 203,919.94-281,454.50-113,307.04

Finding the Fourth Proportional to 203,919.94, 281,454.50 and 113,307.04

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Solution

The fourth proportional to 203,919.94, 281,454.50 and 113,307.04 is: 156,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,919.94 : 281,454.50 = 113,307.04 : x
  2. Step 2: Convert to fraction form
    203,919.94/281,454.50 = 113,307.04/x
  3. Step 3: Cross multiply
    203,919.94x = 281,454.50 × 113,307.04
  4. Step 4: Simplify right side
    203,919.94x = 31,890,776,289.68
  5. Step 5: Solve for x
    x = 31,890,776,289.68/203,919.94
  6. Step 6: Final answer
    x = 156,388.71

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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.