Home / 206,629.04-309,836.01-73,489.88

Finding the Fourth Proportional to 206,629.04, 309,836.01 and 73,489.88

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Solution

The fourth proportional to 206,629.04, 309,836.01 and 73,489.88 is: 110,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,629.04 : 309,836.01 = 73,489.88 : x
  2. Step 2: Convert to fraction form
    206,629.04/309,836.01 = 73,489.88/x
  3. Step 3: Cross multiply
    206,629.04x = 309,836.01 × 73,489.88
  4. Step 4: Simplify right side
    206,629.04x = 22,769,811,194.58
  5. Step 5: Solve for x
    x = 22,769,811,194.58/206,629.04
  6. Step 6: Final answer
    x = 110,196.57

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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.