Home / 68,135.54-102,199.22-25,432.75

Finding the Fourth Proportional to 68,135.54, 102,199.22 and 25,432.75

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Solution

The fourth proportional to 68,135.54, 102,199.22 and 25,432.75 is: 38,147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,135.54 : 102,199.22 = 25,432.75 : x
  2. Step 2: Convert to fraction form
    68,135.54/102,199.22 = 25,432.75/x
  3. Step 3: Cross multiply
    68,135.54x = 102,199.22 × 25,432.75
  4. Step 4: Simplify right side
    68,135.54x = 2,599,206,574.30
  5. Step 5: Solve for x
    x = 2,599,206,574.30/68,135.54
  6. Step 6: Final answer
    x = 38,147.59

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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.