Home / 155,320.28-232,921.30-55,461.88

Finding the Fourth Proportional to 155,320.28, 232,921.30 and 55,461.88

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Solution

The fourth proportional to 155,320.28, 232,921.30 and 55,461.88 is: 83,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,320.28 : 232,921.30 = 55,461.88 : x
  2. Step 2: Convert to fraction form
    155,320.28/232,921.30 = 55,461.88/x
  3. Step 3: Cross multiply
    155,320.28x = 232,921.30 × 55,461.88
  4. Step 4: Simplify right side
    155,320.28x = 12,918,253,190.04
  5. Step 5: Solve for x
    x = 12,918,253,190.04/155,320.28
  6. Step 6: Final answer
    x = 83,171.71

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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.