Home / 132,930.98-199,434.14-54,101.78

Finding the Fourth Proportional to 132,930.98, 199,434.14 and 54,101.78

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Solution

The fourth proportional to 132,930.98, 199,434.14 and 54,101.78 is: 81,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,930.98 : 199,434.14 = 54,101.78 : x
  2. Step 2: Convert to fraction form
    132,930.98/199,434.14 = 54,101.78/x
  3. Step 3: Cross multiply
    132,930.98x = 199,434.14 × 54,101.78
  4. Step 4: Simplify right side
    132,930.98x = 10,789,741,966.77
  5. Step 5: Solve for x
    x = 10,789,741,966.77/132,930.98
  6. Step 6: Final answer
    x = 81,168.00

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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.