Home / 132,109.20-198,163.80-43,341.30

Finding the Fourth Proportional to 132,109.20, 198,163.80 and 43,341.30

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Solution

The fourth proportional to 132,109.20, 198,163.80 and 43,341.30 is: 65,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,109.20 : 198,163.80 = 43,341.30 : x
  2. Step 2: Convert to fraction form
    132,109.20/198,163.80 = 43,341.30/x
  3. Step 3: Cross multiply
    132,109.20x = 198,163.80 × 43,341.30
  4. Step 4: Simplify right side
    132,109.20x = 8,588,676,704.94
  5. Step 5: Solve for x
    x = 8,588,676,704.94/132,109.20
  6. Step 6: Final answer
    x = 65,011.95

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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.