Home / 204,812.12-282,524.96-128,198.21

Finding the Fourth Proportional to 204,812.12, 282,524.96 and 128,198.21

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Solution

The fourth proportional to 204,812.12, 282,524.96 and 128,198.21 is: 176,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,812.12 : 282,524.96 = 128,198.21 : x
  2. Step 2: Convert to fraction form
    204,812.12/282,524.96 = 128,198.21/x
  3. Step 3: Cross multiply
    204,812.12x = 282,524.96 × 128,198.21
  4. Step 4: Simplify right side
    204,812.12x = 36,219,192,098.71
  5. Step 5: Solve for x
    x = 36,219,192,098.71/204,812.12
  6. Step 6: Final answer
    x = 176,841.06

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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.