Home / 204,789.32-282,611.14-112,911.90

Finding the Fourth Proportional to 204,789.32, 282,611.14 and 112,911.90

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Solution

The fourth proportional to 204,789.32, 282,611.14 and 112,911.90 is: 155,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,789.32 : 282,611.14 = 112,911.90 : x
  2. Step 2: Convert to fraction form
    204,789.32/282,611.14 = 112,911.90/x
  3. Step 3: Cross multiply
    204,789.32x = 282,611.14 × 112,911.90
  4. Step 4: Simplify right side
    204,789.32x = 31,910,160,778.57
  5. Step 5: Solve for x
    x = 31,910,160,778.57/204,789.32
  6. Step 6: Final answer
    x = 155,819.46

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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.