Home / 143,734.33-198,350.88-83,310.59

Finding the Fourth Proportional to 143,734.33, 198,350.88 and 83,310.59

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Solution

The fourth proportional to 143,734.33, 198,350.88 and 83,310.59 is: 114,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,734.33 : 198,350.88 = 83,310.59 : x
  2. Step 2: Convert to fraction form
    143,734.33/198,350.88 = 83,310.59/x
  3. Step 3: Cross multiply
    143,734.33x = 198,350.88 × 83,310.59
  4. Step 4: Simplify right side
    143,734.33x = 16,524,728,839.82
  5. Step 5: Solve for x
    x = 16,524,728,839.82/143,734.33
  6. Step 6: Final answer
    x = 114,967.17

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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.