Home / 204,126.48-306,226.44-84,116.61

Finding the Fourth Proportional to 204,126.48, 306,226.44 and 84,116.61

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Solution

The fourth proportional to 204,126.48, 306,226.44 and 84,116.61 is: 126,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,126.48 : 306,226.44 = 84,116.61 : x
  2. Step 2: Convert to fraction form
    204,126.48/306,226.44 = 84,116.61/x
  3. Step 3: Cross multiply
    204,126.48x = 306,226.44 × 84,116.61
  4. Step 4: Simplify right side
    204,126.48x = 25,758,730,025.17
  5. Step 5: Solve for x
    x = 25,758,730,025.17/204,126.48
  6. Step 6: Final answer
    x = 126,190.05

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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.