Home / 67,230.23-100,837.08-17,310.61

Finding the Fourth Proportional to 67,230.23, 100,837.08 and 17,310.61

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Solution

The fourth proportional to 67,230.23, 100,837.08 and 17,310.61 is: 25,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.23 : 100,837.08 = 17,310.61 : x
  2. Step 2: Convert to fraction form
    67,230.23/100,837.08 = 17,310.61/x
  3. Step 3: Cross multiply
    67,230.23x = 100,837.08 × 17,310.61
  4. Step 4: Simplify right side
    67,230.23x = 1,745,550,774.68
  5. Step 5: Solve for x
    x = 1,745,550,774.68/67,230.23
  6. Step 6: Final answer
    x = 25,963.78

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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.