Home / 143,863.88-198,550.06-82,629.25

Finding the Fourth Proportional to 143,863.88, 198,550.06 and 82,629.25

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Solution

The fourth proportional to 143,863.88, 198,550.06 and 82,629.25 is: 114,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,863.88 : 198,550.06 = 82,629.25 : x
  2. Step 2: Convert to fraction form
    143,863.88/198,550.06 = 82,629.25/x
  3. Step 3: Cross multiply
    143,863.88x = 198,550.06 × 82,629.25
  4. Step 4: Simplify right side
    143,863.88x = 16,406,042,912.33
  5. Step 5: Solve for x
    x = 16,406,042,912.33/143,863.88
  6. Step 6: Final answer
    x = 114,038.65

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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.