Home / 204,723.88-282,579.78-129,322.60

Finding the Fourth Proportional to 204,723.88, 282,579.78 and 129,322.60

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Solution

The fourth proportional to 204,723.88, 282,579.78 and 129,322.60 is: 178,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,723.88 : 282,579.78 = 129,322.60 : x
  2. Step 2: Convert to fraction form
    204,723.88/282,579.78 = 129,322.60/x
  3. Step 3: Cross multiply
    204,723.88x = 282,579.78 × 129,322.60
  4. Step 4: Simplify right side
    204,723.88x = 36,543,951,857.03
  5. Step 5: Solve for x
    x = 36,543,951,857.03/204,723.88
  6. Step 6: Final answer
    x = 178,503.61

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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.