Home / 204,809.18-307,352.07-71,690.54

Finding the Fourth Proportional to 204,809.18, 307,352.07 and 71,690.54

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Solution

The fourth proportional to 204,809.18, 307,352.07 and 71,690.54 is: 107,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,809.18 : 307,352.07 = 71,690.54 : x
  2. Step 2: Convert to fraction form
    204,809.18/307,352.07 = 71,690.54/x
  3. Step 3: Cross multiply
    204,809.18x = 307,352.07 × 71,690.54
  4. Step 4: Simplify right side
    204,809.18x = 22,034,234,331.66
  5. Step 5: Solve for x
    x = 22,034,234,331.66/204,809.18
  6. Step 6: Final answer
    x = 107,584.22

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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.