Home / 143,888.27-198,565.94-80,224.79

Finding the Fourth Proportional to 143,888.27, 198,565.94 and 80,224.79

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Solution

The fourth proportional to 143,888.27, 198,565.94 and 80,224.79 is: 110,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,888.27 : 198,565.94 = 80,224.79 : x
  2. Step 2: Convert to fraction form
    143,888.27/198,565.94 = 80,224.79/x
  3. Step 3: Cross multiply
    143,888.27x = 198,565.94 × 80,224.79
  4. Step 4: Simplify right side
    143,888.27x = 15,929,910,837.65
  5. Step 5: Solve for x
    x = 15,929,910,837.65/143,888.27
  6. Step 6: Final answer
    x = 110,710.28

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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.