Home / 82,169.44-123,254.26-19,839.94

Finding the Fourth Proportional to 82,169.44, 123,254.26 and 19,839.94

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Solution

The fourth proportional to 82,169.44, 123,254.26 and 19,839.94 is: 29,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,169.44 : 123,254.26 = 19,839.94 : x
  2. Step 2: Convert to fraction form
    82,169.44/123,254.26 = 19,839.94/x
  3. Step 3: Cross multiply
    82,169.44x = 123,254.26 × 19,839.94
  4. Step 4: Simplify right side
    82,169.44x = 2,445,356,765.41
  5. Step 5: Solve for x
    x = 2,445,356,765.41/82,169.44
  6. Step 6: Final answer
    x = 29,759.93

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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.