Home / 155,422.52-233,133.78-102,819.71

Finding the Fourth Proportional to 155,422.52, 233,133.78 and 102,819.71

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Solution

The fourth proportional to 155,422.52, 233,133.78 and 102,819.71 is: 154,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,422.52 : 233,133.78 = 102,819.71 : x
  2. Step 2: Convert to fraction form
    155,422.52/233,133.78 = 102,819.71/x
  3. Step 3: Cross multiply
    155,422.52x = 233,133.78 × 102,819.71
  4. Step 4: Simplify right side
    155,422.52x = 23,970,746,485.13
  5. Step 5: Solve for x
    x = 23,970,746,485.13/155,422.52
  6. Step 6: Final answer
    x = 154,229.56

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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.