Home / 68,500.24-102,757.20-18,581.16

Finding the Fourth Proportional to 68,500.24, 102,757.20 and 18,581.16

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Solution

The fourth proportional to 68,500.24, 102,757.20 and 18,581.16 is: 27,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500.24 : 102,757.20 = 18,581.16 : x
  2. Step 2: Convert to fraction form
    68,500.24/102,757.20 = 18,581.16/x
  3. Step 3: Cross multiply
    68,500.24x = 102,757.20 × 18,581.16
  4. Step 4: Simplify right side
    68,500.24x = 1,909,347,974.35
  5. Step 5: Solve for x
    x = 1,909,347,974.35/68,500.24
  6. Step 6: Final answer
    x = 27,873.60

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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.