Home / 204,276.87-306,556.25-71,158.23

Finding the Fourth Proportional to 204,276.87, 306,556.25 and 71,158.23

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Solution

The fourth proportional to 204,276.87, 306,556.25 and 71,158.23 is: 106,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,276.87 : 306,556.25 = 71,158.23 : x
  2. Step 2: Convert to fraction form
    204,276.87/306,556.25 = 71,158.23/x
  3. Step 3: Cross multiply
    204,276.87x = 306,556.25 × 71,158.23
  4. Step 4: Simplify right side
    204,276.87x = 21,813,999,789.65
  5. Step 5: Solve for x
    x = 21,813,999,789.65/204,276.87
  6. Step 6: Final answer
    x = 106,786.44

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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.