Home / 204,489.04-282,129.24-123,890.80

Finding the Fourth Proportional to 204,489.04, 282,129.24 and 123,890.80

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Solution

The fourth proportional to 204,489.04, 282,129.24 and 123,890.80 is: 170,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,489.04 : 282,129.24 = 123,890.80 : x
  2. Step 2: Convert to fraction form
    204,489.04/282,129.24 = 123,890.80/x
  3. Step 3: Cross multiply
    204,489.04x = 282,129.24 × 123,890.80
  4. Step 4: Simplify right side
    204,489.04x = 34,953,217,246.99
  5. Step 5: Solve for x
    x = 34,953,217,246.99/204,489.04
  6. Step 6: Final answer
    x = 170,929.54

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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.