Home / 132,686.20-199,029.30-43,942.60

Finding the Fourth Proportional to 132,686.20, 199,029.30 and 43,942.60

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Solution

The fourth proportional to 132,686.20, 199,029.30 and 43,942.60 is: 65,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,686.20 : 199,029.30 = 43,942.60 : x
  2. Step 2: Convert to fraction form
    132,686.20/199,029.30 = 43,942.60/x
  3. Step 3: Cross multiply
    132,686.20x = 199,029.30 × 43,942.60
  4. Step 4: Simplify right side
    132,686.20x = 8,745,864,918.18
  5. Step 5: Solve for x
    x = 8,745,864,918.18/132,686.20
  6. Step 6: Final answer
    x = 65,913.90

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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.