Home / 207,979.50-311,991.19-65,844.39

Finding the Fourth Proportional to 207,979.50, 311,991.19 and 65,844.39

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Solution

The fourth proportional to 207,979.50, 311,991.19 and 65,844.39 is: 98,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,979.50 : 311,991.19 = 65,844.39 : x
  2. Step 2: Convert to fraction form
    207,979.50/311,991.19 = 65,844.39/x
  3. Step 3: Cross multiply
    207,979.50x = 311,991.19 × 65,844.39
  4. Step 4: Simplify right side
    207,979.50x = 20,542,870,966.65
  5. Step 5: Solve for x
    x = 20,542,870,966.65/207,979.50
  6. Step 6: Final answer
    x = 98,773.54

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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.