Home / 139,836.28-192,964.97-82,462.44

Finding the Fourth Proportional to 139,836.28, 192,964.97 and 82,462.44

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Solution

The fourth proportional to 139,836.28, 192,964.97 and 82,462.44 is: 113,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,836.28 : 192,964.97 = 82,462.44 : x
  2. Step 2: Convert to fraction form
    139,836.28/192,964.97 = 82,462.44/x
  3. Step 3: Cross multiply
    139,836.28x = 192,964.97 × 82,462.44
  4. Step 4: Simplify right side
    139,836.28x = 15,912,362,260.73
  5. Step 5: Solve for x
    x = 15,912,362,260.73/139,836.28
  6. Step 6: Final answer
    x = 113,792.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.