Home / 143,825.74-198,480.44-80,167.57

Finding the Fourth Proportional to 143,825.74, 198,480.44 and 80,167.57

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Solution

The fourth proportional to 143,825.74, 198,480.44 and 80,167.57 is: 110,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,825.74 : 198,480.44 = 80,167.57 : x
  2. Step 2: Convert to fraction form
    143,825.74/198,480.44 = 80,167.57/x
  3. Step 3: Cross multiply
    143,825.74x = 198,480.44 × 80,167.57
  4. Step 4: Simplify right side
    143,825.74x = 15,911,694,567.33
  5. Step 5: Solve for x
    x = 15,911,694,567.33/143,825.74
  6. Step 6: Final answer
    x = 110,631.76

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