Home / 281,868.44-422,757.65-82,142.11

Finding the Fourth Proportional to 281,868.44, 422,757.65 and 82,142.11

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Solution

The fourth proportional to 281,868.44, 422,757.65 and 82,142.11 is: 123,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,868.44 : 422,757.65 = 82,142.11 : x
  2. Step 2: Convert to fraction form
    281,868.44/422,757.65 = 82,142.11/x
  3. Step 3: Cross multiply
    281,868.44x = 422,757.65 × 82,142.11
  4. Step 4: Simplify right side
    281,868.44x = 34,726,204,538.10
  5. Step 5: Solve for x
    x = 34,726,204,538.10/281,868.44
  6. Step 6: Final answer
    x = 123,200.05

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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.