Home / 132,999.56-199,572.78-54,169.28

Finding the Fourth Proportional to 132,999.56, 199,572.78 and 54,169.28

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Solution

The fourth proportional to 132,999.56, 199,572.78 and 54,169.28 is: 81,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,999.56 : 199,572.78 = 54,169.28 : x
  2. Step 2: Convert to fraction form
    132,999.56/199,572.78 = 54,169.28/x
  3. Step 3: Cross multiply
    132,999.56x = 199,572.78 × 54,169.28
  4. Step 4: Simplify right side
    132,999.56x = 10,810,713,800.20
  5. Step 5: Solve for x
    x = 10,810,713,800.20/132,999.56
  6. Step 6: Final answer
    x = 81,283.83

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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.