Home / 203,972.37-281,472.75-113,334.72

Finding the Fourth Proportional to 203,972.37, 281,472.75 and 113,334.72

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Solution

The fourth proportional to 203,972.37, 281,472.75 and 113,334.72 is: 156,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,972.37 : 281,472.75 = 113,334.72 : x
  2. Step 2: Convert to fraction form
    203,972.37/281,472.75 = 113,334.72/x
  3. Step 3: Cross multiply
    203,972.37x = 281,472.75 × 113,334.72
  4. Step 4: Simplify right side
    203,972.37x = 31,900,635,308.88
  5. Step 5: Solve for x
    x = 31,900,635,308.88/203,972.37
  6. Step 6: Final answer
    x = 156,396.85

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1.5x scale

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.