Home / 143,759.52-198,394.24-80,097.28

Finding the Fourth Proportional to 143,759.52, 198,394.24 and 80,097.28

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Solution

The fourth proportional to 143,759.52, 198,394.24 and 80,097.28 is: 110,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,759.52 : 198,394.24 = 80,097.28 : x
  2. Step 2: Convert to fraction form
    143,759.52/198,394.24 = 80,097.28/x
  3. Step 3: Cross multiply
    143,759.52x = 198,394.24 × 80,097.28
  4. Step 4: Simplify right side
    143,759.52x = 15,890,838,991.67
  5. Step 5: Solve for x
    x = 15,890,838,991.67/143,759.52
  6. Step 6: Final answer
    x = 110,537.65

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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.