Home / 204,636.28-282,515.12-135,819.07

Finding the Fourth Proportional to 204,636.28, 282,515.12 and 135,819.07

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Solution

The fourth proportional to 204,636.28, 282,515.12 and 135,819.07 is: 187,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,636.28 : 282,515.12 = 135,819.07 : x
  2. Step 2: Convert to fraction form
    204,636.28/282,515.12 = 135,819.07/x
  3. Step 3: Cross multiply
    204,636.28x = 282,515.12 × 135,819.07
  4. Step 4: Simplify right side
    204,636.28x = 38,370,940,859.34
  5. Step 5: Solve for x
    x = 38,370,940,859.34/204,636.28
  6. Step 6: Final answer
    x = 187,508.01

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1.5x scale

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.