Home / 203,912.19-281,390.88-113,273.91

Finding the Fourth Proportional to 203,912.19, 281,390.88 and 113,273.91

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Solution

The fourth proportional to 203,912.19, 281,390.88 and 113,273.91 is: 156,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,912.19 : 281,390.88 = 113,273.91 : x
  2. Step 2: Convert to fraction form
    203,912.19/281,390.88 = 113,273.91/x
  3. Step 3: Cross multiply
    203,912.19x = 281,390.88 × 113,273.91
  4. Step 4: Simplify right side
    203,912.19x = 31,874,245,215.94
  5. Step 5: Solve for x
    x = 31,874,245,215.94/203,912.19
  6. Step 6: Final answer
    x = 156,313.58

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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.