Home / 143,744.49-198,367.29-83,350.26

Finding the Fourth Proportional to 143,744.49, 198,367.29 and 83,350.26

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Solution

The fourth proportional to 143,744.49, 198,367.29 and 83,350.26 is: 115,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,744.49 : 198,367.29 = 83,350.26 : x
  2. Step 2: Convert to fraction form
    143,744.49/198,367.29 = 83,350.26/x
  3. Step 3: Cross multiply
    143,744.49x = 198,367.29 × 83,350.26
  4. Step 4: Simplify right side
    143,744.49x = 16,533,965,197.00
  5. Step 5: Solve for x
    x = 16,533,965,197.00/143,744.49
  6. Step 6: Final answer
    x = 115,023.30

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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.