Home / 132,882.04-199,416.47-120,177.28

Finding the Fourth Proportional to 132,882.04, 199,416.47 and 120,177.28

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Solution

The fourth proportional to 132,882.04, 199,416.47 and 120,177.28 is: 180,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,882.04 : 199,416.47 = 120,177.28 : x
  2. Step 2: Convert to fraction form
    132,882.04/199,416.47 = 120,177.28/x
  3. Step 3: Cross multiply
    132,882.04x = 199,416.47 × 120,177.28
  4. Step 4: Simplify right side
    132,882.04x = 23,965,328,350.92
  5. Step 5: Solve for x
    x = 23,965,328,350.92/132,882.04
  6. Step 6: Final answer
    x = 180,350.39

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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.