Home / 204,952.20-282,855.78-120,140.52

Finding the Fourth Proportional to 204,952.20, 282,855.78 and 120,140.52

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Solution

The fourth proportional to 204,952.20, 282,855.78 and 120,140.52 is: 165,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,952.20 : 282,855.78 = 120,140.52 : x
  2. Step 2: Convert to fraction form
    204,952.20/282,855.78 = 120,140.52/x
  3. Step 3: Cross multiply
    204,952.20x = 282,855.78 × 120,140.52
  4. Step 4: Simplify right side
    204,952.20x = 33,982,440,494.21
  5. Step 5: Solve for x
    x = 33,982,440,494.21/204,952.20
  6. Step 6: Final answer
    x = 165,806.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.