Home / 147,972.56-221,989.56-49,474

Finding the Fourth Proportional to 147,972.56, 221,989.56 and 49,474

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Solution

The fourth proportional to 147,972.56, 221,989.56 and 49,474 is: 74,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,972.56 : 221,989.56 = 49,474 : x
  2. Step 2: Convert to fraction form
    147,972.56/221,989.56 = 49,474/x
  3. Step 3: Cross multiply
    147,972.56x = 221,989.56 × 49,474
  4. Step 4: Simplify right side
    147,972.56x = 10,982,711,491.44
  5. Step 5: Solve for x
    x = 10,982,711,491.44/147,972.56
  6. Step 6: Final answer
    x = 74,221.27

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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.