Home / 204,254.25-306,389.60-71,147.96

Finding the Fourth Proportional to 204,254.25, 306,389.60 and 71,147.96

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Solution

The fourth proportional to 204,254.25, 306,389.60 and 71,147.96 is: 106,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,254.25 : 306,389.60 = 71,147.96 : x
  2. Step 2: Convert to fraction form
    204,254.25/306,389.60 = 71,147.96/x
  3. Step 3: Cross multiply
    204,254.25x = 306,389.60 × 71,147.96
  4. Step 4: Simplify right side
    204,254.25x = 21,798,995,005.22
  5. Step 5: Solve for x
    x = 21,798,995,005.22/204,254.25
  6. Step 6: Final answer
    x = 106,724.81

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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.