Home / 204,561.20-306,623.10-92,222.30

Finding the Fourth Proportional to 204,561.20, 306,623.10 and 92,222.30

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Solution

The fourth proportional to 204,561.20, 306,623.10 and 92,222.30 is: 138,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,561.20 : 306,623.10 = 92,222.30 : x
  2. Step 2: Convert to fraction form
    204,561.20/306,623.10 = 92,222.30/x
  3. Step 3: Cross multiply
    204,561.20x = 306,623.10 × 92,222.30
  4. Step 4: Simplify right side
    204,561.20x = 28,277,487,515.13
  5. Step 5: Solve for x
    x = 28,277,487,515.13/204,561.20
  6. Step 6: Final answer
    x = 138,234.85

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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.