Home / 204,171.32-306,232.68-54,422.84

Finding the Fourth Proportional to 204,171.32, 306,232.68 and 54,422.84

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Solution

The fourth proportional to 204,171.32, 306,232.68 and 54,422.84 is: 81,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,171.32 : 306,232.68 = 54,422.84 : x
  2. Step 2: Convert to fraction form
    204,171.32/306,232.68 = 54,422.84/x
  3. Step 3: Cross multiply
    204,171.32x = 306,232.68 × 54,422.84
  4. Step 4: Simplify right side
    204,171.32x = 16,666,052,146.41
  5. Step 5: Solve for x
    x = 16,666,052,146.41/204,171.32
  6. Step 6: Final answer
    x = 81,627.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.