Home / 203,900.68-281,379.18-113,253.04

Finding the Fourth Proportional to 203,900.68, 281,379.18 and 113,253.04

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Solution

The fourth proportional to 203,900.68, 281,379.18 and 113,253.04 is: 156,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,900.68 : 281,379.18 = 113,253.04 : x
  2. Step 2: Convert to fraction form
    203,900.68/281,379.18 = 113,253.04/x
  3. Step 3: Cross multiply
    203,900.68x = 281,379.18 × 113,253.04
  4. Step 4: Simplify right side
    203,900.68x = 31,867,047,527.71
  5. Step 5: Solve for x
    x = 31,867,047,527.71/203,900.68
  6. Step 6: Final answer
    x = 156,287.11

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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.