Home / 143,827.24-198,482.51-80,169.07

Finding the Fourth Proportional to 143,827.24, 198,482.51 and 80,169.07

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Solution

The fourth proportional to 143,827.24, 198,482.51 and 80,169.07 is: 110,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827.24 : 198,482.51 = 80,169.07 : x
  2. Step 2: Convert to fraction form
    143,827.24/198,482.51 = 80,169.07/x
  3. Step 3: Cross multiply
    143,827.24x = 198,482.51 × 80,169.07
  4. Step 4: Simplify right side
    143,827.24x = 15,912,158,237.97
  5. Step 5: Solve for x
    x = 15,912,158,237.97/143,827.24
  6. Step 6: Final answer
    x = 110,633.83

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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.