Home / 82,314.11-123,457.19-23,135.87

Finding the Fourth Proportional to 82,314.11, 123,457.19 and 23,135.87

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Solution

The fourth proportional to 82,314.11, 123,457.19 and 23,135.87 is: 34,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,314.11 : 123,457.19 = 23,135.87 : x
  2. Step 2: Convert to fraction form
    82,314.11/123,457.19 = 23,135.87/x
  3. Step 3: Cross multiply
    82,314.11x = 123,457.19 × 23,135.87
  4. Step 4: Simplify right side
    82,314.11x = 2,856,288,765.44
  5. Step 5: Solve for x
    x = 2,856,288,765.44/82,314.11
  6. Step 6: Final answer
    x = 34,699.87

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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.