Home / 203,708.91-281,112.89-113,062.53

Finding the Fourth Proportional to 203,708.91, 281,112.89 and 113,062.53

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Solution

The fourth proportional to 203,708.91, 281,112.89 and 113,062.53 is: 156,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,708.91 : 281,112.89 = 113,062.53 : x
  2. Step 2: Convert to fraction form
    203,708.91/281,112.89 = 113,062.53/x
  3. Step 3: Cross multiply
    203,708.91x = 281,112.89 × 113,062.53
  4. Step 4: Simplify right side
    203,708.91x = 31,783,333,993.70
  5. Step 5: Solve for x
    x = 31,783,333,993.70/203,708.91
  6. Step 6: Final answer
    x = 156,023.29

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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.