Home / 204,812.43-282,525.39-128,198.52

Finding the Fourth Proportional to 204,812.43, 282,525.39 and 128,198.52

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Solution

The fourth proportional to 204,812.43, 282,525.39 and 128,198.52 is: 176,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,812.43 : 282,525.39 = 128,198.52 : x
  2. Step 2: Convert to fraction form
    204,812.43/282,525.39 = 128,198.52/x
  3. Step 3: Cross multiply
    204,812.43x = 282,525.39 × 128,198.52
  4. Step 4: Simplify right side
    204,812.43x = 36,219,335,447.80
  5. Step 5: Solve for x
    x = 36,219,335,447.80/204,812.43
  6. Step 6: Final answer
    x = 176,841.49

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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.