Home / 203,803.20-281,266.20-113,176.80

Finding the Fourth Proportional to 203,803.20, 281,266.20 and 113,176.80

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Solution

The fourth proportional to 203,803.20, 281,266.20 and 113,176.80 is: 156,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,803.20 : 281,266.20 = 113,176.80 : x
  2. Step 2: Convert to fraction form
    203,803.20/281,266.20 = 113,176.80/x
  3. Step 3: Cross multiply
    203,803.20x = 281,266.20 × 113,176.80
  4. Step 4: Simplify right side
    203,803.20x = 31,832,808,464.16
  5. Step 5: Solve for x
    x = 31,832,808,464.16/203,803.20
  6. Step 6: Final answer
    x = 156,193.86

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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.