Home / 132,983.40-199,604.70-66,498.60

Finding the Fourth Proportional to 132,983.40, 199,604.70 and 66,498.60

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Solution

The fourth proportional to 132,983.40, 199,604.70 and 66,498.60 is: 99,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.40 : 199,604.70 = 66,498.60 : x
  2. Step 2: Convert to fraction form
    132,983.40/199,604.70 = 66,498.60/x
  3. Step 3: Cross multiply
    132,983.40x = 199,604.70 × 66,498.60
  4. Step 4: Simplify right side
    132,983.40x = 13,273,433,103.42
  5. Step 5: Solve for x
    x = 13,273,433,103.42/132,983.40
  6. Step 6: Final answer
    x = 99,812.71

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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.