Home / 204,086.20-306,129.30-202,117.90

Finding the Fourth Proportional to 204,086.20, 306,129.30 and 202,117.90

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Solution

The fourth proportional to 204,086.20, 306,129.30 and 202,117.90 is: 303,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,086.20 : 306,129.30 = 202,117.90 : x
  2. Step 2: Convert to fraction form
    204,086.20/306,129.30 = 202,117.90/x
  3. Step 3: Cross multiply
    204,086.20x = 306,129.30 × 202,117.90
  4. Step 4: Simplify right side
    204,086.20x = 61,874,211,244.47
  5. Step 5: Solve for x
    x = 61,874,211,244.47/204,086.20
  6. Step 6: Final answer
    x = 303,176.85

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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.