Home / 204,190.86-306,286.56-54,423.48

Finding the Fourth Proportional to 204,190.86, 306,286.56 and 54,423.48

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Solution

The fourth proportional to 204,190.86, 306,286.56 and 54,423.48 is: 81,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.86 : 306,286.56 = 54,423.48 : x
  2. Step 2: Convert to fraction form
    204,190.86/306,286.56 = 54,423.48/x
  3. Step 3: Cross multiply
    204,190.86x = 306,286.56 × 54,423.48
  4. Step 4: Simplify right side
    204,190.86x = 16,669,180,472.43
  5. Step 5: Solve for x
    x = 16,669,180,472.43/204,190.86
  6. Step 6: Final answer
    x = 81,635.29

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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.