Home / 281,789.10-422,677.82-68,558.14

Finding the Fourth Proportional to 281,789.10, 422,677.82 and 68,558.14

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Solution

The fourth proportional to 281,789.10, 422,677.82 and 68,558.14 is: 102,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,789.10 : 422,677.82 = 68,558.14 : x
  2. Step 2: Convert to fraction form
    281,789.10/422,677.82 = 68,558.14/x
  3. Step 3: Cross multiply
    281,789.10x = 422,677.82 × 68,558.14
  4. Step 4: Simplify right side
    281,789.10x = 28,978,004,273.16
  5. Step 5: Solve for x
    x = 28,978,004,273.16/281,789.10
  6. Step 6: Final answer
    x = 102,835.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.