Home / 128,684.34-192,760.83-95,441.94

Finding the Fourth Proportional to 128,684.34, 192,760.83 and 95,441.94

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Solution

The fourth proportional to 128,684.34, 192,760.83 and 95,441.94 is: 142,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,684.34 : 192,760.83 = 95,441.94 : x
  2. Step 2: Convert to fraction form
    128,684.34/192,760.83 = 95,441.94/x
  3. Step 3: Cross multiply
    128,684.34x = 192,760.83 × 95,441.94
  4. Step 4: Simplify right side
    128,684.34x = 18,397,467,571.21
  5. Step 5: Solve for x
    x = 18,397,467,571.21/128,684.34
  6. Step 6: Final answer
    x = 142,965.86

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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.