Home / 204,907.30-307,360.96-55,147.92

Finding the Fourth Proportional to 204,907.30, 307,360.96 and 55,147.92

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Solution

The fourth proportional to 204,907.30, 307,360.96 and 55,147.92 is: 82,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,907.30 : 307,360.96 = 55,147.92 : x
  2. Step 2: Convert to fraction form
    204,907.30/307,360.96 = 55,147.92/x
  3. Step 3: Cross multiply
    204,907.30x = 307,360.96 × 55,147.92
  4. Step 4: Simplify right side
    204,907.30x = 16,950,317,633.20
  5. Step 5: Solve for x
    x = 16,950,317,633.20/204,907.30
  6. Step 6: Final answer
    x = 82,721.88

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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.