Home / 143,842.83-198,498.97-80,179.26

Finding the Fourth Proportional to 143,842.83, 198,498.97 and 80,179.26

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Solution

The fourth proportional to 143,842.83, 198,498.97 and 80,179.26 is: 110,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,842.83 : 198,498.97 = 80,179.26 : x
  2. Step 2: Convert to fraction form
    143,842.83/198,498.97 = 80,179.26/x
  3. Step 3: Cross multiply
    143,842.83x = 198,498.97 × 80,179.26
  4. Step 4: Simplify right side
    143,842.83x = 15,915,499,332.42
  5. Step 5: Solve for x
    x = 15,915,499,332.42/143,842.83
  6. Step 6: Final answer
    x = 110,645.07

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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.