Home / 68,142.62-102,226.92-23,782.04

Finding the Fourth Proportional to 68,142.62, 102,226.92 and 23,782.04

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Solution

The fourth proportional to 68,142.62, 102,226.92 and 23,782.04 is: 35,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142.62 : 102,226.92 = 23,782.04 : x
  2. Step 2: Convert to fraction form
    68,142.62/102,226.92 = 23,782.04/x
  3. Step 3: Cross multiply
    68,142.62x = 102,226.92 × 23,782.04
  4. Step 4: Simplify right side
    68,142.62x = 2,431,164,700.52
  5. Step 5: Solve for x
    x = 2,431,164,700.52/68,142.62
  6. Step 6: Final answer
    x = 35,677.59

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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.