Home / 199,084.56-298,616.04-80,724.12

Finding the Fourth Proportional to 199,084.56, 298,616.04 and 80,724.12

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Solution

The fourth proportional to 199,084.56, 298,616.04 and 80,724.12 is: 121,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,084.56 : 298,616.04 = 80,724.12 : x
  2. Step 2: Convert to fraction form
    199,084.56/298,616.04 = 80,724.12/x
  3. Step 3: Cross multiply
    199,084.56x = 298,616.04 × 80,724.12
  4. Step 4: Simplify right side
    199,084.56x = 24,105,517,046.88
  5. Step 5: Solve for x
    x = 24,105,517,046.88/199,084.56
  6. Step 6: Final answer
    x = 121,081.80

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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.