Home / 187,723.62-281,563.53-75,399.30

Finding the Fourth Proportional to 187,723.62, 281,563.53 and 75,399.30

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Solution

The fourth proportional to 187,723.62, 281,563.53 and 75,399.30 is: 113,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,723.62 : 281,563.53 = 75,399.30 : x
  2. Step 2: Convert to fraction form
    187,723.62/281,563.53 = 75,399.30/x
  3. Step 3: Cross multiply
    187,723.62x = 281,563.53 × 75,399.30
  4. Step 4: Simplify right side
    187,723.62x = 21,229,693,067.53
  5. Step 5: Solve for x
    x = 21,229,693,067.53/187,723.62
  6. Step 6: Final answer
    x = 113,090.15

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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.