Home / 143,845.88-198,505.49-80,183.52

Finding the Fourth Proportional to 143,845.88, 198,505.49 and 80,183.52

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Solution

The fourth proportional to 143,845.88, 198,505.49 and 80,183.52 is: 110,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,845.88 : 198,505.49 = 80,183.52 : x
  2. Step 2: Convert to fraction form
    143,845.88/198,505.49 = 80,183.52/x
  3. Step 3: Cross multiply
    143,845.88x = 198,505.49 × 80,183.52
  4. Step 4: Simplify right side
    143,845.88x = 15,916,868,526.61
  5. Step 5: Solve for x
    x = 15,916,868,526.61/143,845.88
  6. Step 6: Final answer
    x = 110,652.24

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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.