Home / 143,895.92-198,577.44-80,237.84

Finding the Fourth Proportional to 143,895.92, 198,577.44 and 80,237.84

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Solution

The fourth proportional to 143,895.92, 198,577.44 and 80,237.84 is: 110,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,895.92 : 198,577.44 = 80,237.84 : x
  2. Step 2: Convert to fraction form
    143,895.92/198,577.44 = 80,237.84/x
  3. Step 3: Cross multiply
    143,895.92x = 198,577.44 × 80,237.84
  4. Step 4: Simplify right side
    143,895.92x = 15,933,424,858.33
  5. Step 5: Solve for x
    x = 15,933,424,858.33/143,895.92
  6. Step 6: Final answer
    x = 110,728.82

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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.