Home / 143,773.56-198,301.96-95,287.80

Finding the Fourth Proportional to 143,773.56, 198,301.96 and 95,287.80

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Solution

The fourth proportional to 143,773.56, 198,301.96 and 95,287.80 is: 131,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,773.56 : 198,301.96 = 95,287.80 : x
  2. Step 2: Convert to fraction form
    143,773.56/198,301.96 = 95,287.80/x
  3. Step 3: Cross multiply
    143,773.56x = 198,301.96 × 95,287.80
  4. Step 4: Simplify right side
    143,773.56x = 18,895,757,504.09
  5. Step 5: Solve for x
    x = 18,895,757,504.09/143,773.56
  6. Step 6: Final answer
    x = 131,427.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.