Home / 192,868.82-289,349.44-80,486.52

Finding the Fourth Proportional to 192,868.82, 289,349.44 and 80,486.52

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Solution

The fourth proportional to 192,868.82, 289,349.44 and 80,486.52 is: 120,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,868.82 : 289,349.44 = 80,486.52 : x
  2. Step 2: Convert to fraction form
    192,868.82/289,349.44 = 80,486.52/x
  3. Step 3: Cross multiply
    192,868.82x = 289,349.44 × 80,486.52
  4. Step 4: Simplify right side
    192,868.82x = 23,288,729,489.55
  5. Step 5: Solve for x
    x = 23,288,729,489.55/192,868.82
  6. Step 6: Final answer
    x = 120,749.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.