Home / 192,722.55-288,917.60-92,745.21

Finding the Fourth Proportional to 192,722.55, 288,917.60 and 92,745.21

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Solution

The fourth proportional to 192,722.55, 288,917.60 and 92,745.21 is: 139,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,722.55 : 288,917.60 = 92,745.21 : x
  2. Step 2: Convert to fraction form
    192,722.55/288,917.60 = 92,745.21/x
  3. Step 3: Cross multiply
    192,722.55x = 288,917.60 × 92,745.21
  4. Step 4: Simplify right side
    192,722.55x = 26,795,723,020.97
  5. Step 5: Solve for x
    x = 26,795,723,020.97/192,722.55
  6. Step 6: Final answer
    x = 139,037.82

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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.