Home / 148,049.04-204,309.28-80,981.04

Finding the Fourth Proportional to 148,049.04, 204,309.28 and 80,981.04

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Solution

The fourth proportional to 148,049.04, 204,309.28 and 80,981.04 is: 111,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,049.04 : 204,309.28 = 80,981.04 : x
  2. Step 2: Convert to fraction form
    148,049.04/204,309.28 = 80,981.04/x
  3. Step 3: Cross multiply
    148,049.04x = 204,309.28 × 80,981.04
  4. Step 4: Simplify right side
    148,049.04x = 16,545,177,976.05
  5. Step 5: Solve for x
    x = 16,545,177,976.05/148,049.04
  6. Step 6: Final answer
    x = 111,754.71

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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.