Home / 218,165.13-327,280.50-68,372.10

Finding the Fourth Proportional to 218,165.13, 327,280.50 and 68,372.10

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Solution

The fourth proportional to 218,165.13, 327,280.50 and 68,372.10 is: 102,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,165.13 : 327,280.50 = 68,372.10 : x
  2. Step 2: Convert to fraction form
    218,165.13/327,280.50 = 68,372.10/x
  3. Step 3: Cross multiply
    218,165.13x = 327,280.50 × 68,372.10
  4. Step 4: Simplify right side
    218,165.13x = 22,376,855,074.05
  5. Step 5: Solve for x
    x = 22,376,855,074.05/218,165.13
  6. Step 6: Final answer
    x = 102,568.43

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1.5x scale

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.