Home / 132,928.98-199,431.13-54,099.78

Finding the Fourth Proportional to 132,928.98, 199,431.13 and 54,099.78

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Solution

The fourth proportional to 132,928.98, 199,431.13 and 54,099.78 is: 81,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,928.98 : 199,431.13 = 54,099.78 : x
  2. Step 2: Convert to fraction form
    132,928.98/199,431.13 = 54,099.78/x
  3. Step 3: Cross multiply
    132,928.98x = 199,431.13 × 54,099.78
  4. Step 4: Simplify right side
    132,928.98x = 10,789,180,258.15
  5. Step 5: Solve for x
    x = 10,789,180,258.15/132,928.98
  6. Step 6: Final answer
    x = 81,165.00

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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.