Home / 204,308.75-306,464.49-71,191.55

Finding the Fourth Proportional to 204,308.75, 306,464.49 and 71,191.55

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Solution

The fourth proportional to 204,308.75, 306,464.49 and 71,191.55 is: 106,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,308.75 : 306,464.49 = 71,191.55 : x
  2. Step 2: Convert to fraction form
    204,308.75/306,464.49 = 71,191.55/x
  3. Step 3: Cross multiply
    204,308.75x = 306,464.49 × 71,191.55
  4. Step 4: Simplify right side
    204,308.75x = 21,817,682,063.06
  5. Step 5: Solve for x
    x = 21,817,682,063.06/204,308.75
  6. Step 6: Final answer
    x = 106,787.80

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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.