Home / 154,167.52-231,109.20-54,273.28

Finding the Fourth Proportional to 154,167.52, 231,109.20 and 54,273.28

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Solution

The fourth proportional to 154,167.52, 231,109.20 and 54,273.28 is: 81,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,167.52 : 231,109.20 = 54,273.28 : x
  2. Step 2: Convert to fraction form
    154,167.52/231,109.20 = 54,273.28/x
  3. Step 3: Cross multiply
    154,167.52x = 231,109.20 × 54,273.28
  4. Step 4: Simplify right side
    154,167.52x = 12,543,054,322.18
  5. Step 5: Solve for x
    x = 12,543,054,322.18/154,167.52
  6. Step 6: Final answer
    x = 81,359.90

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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.