Home / 129,295.30-193,942.92-40,556.56

Finding the Fourth Proportional to 129,295.30, 193,942.92 and 40,556.56

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Solution

The fourth proportional to 129,295.30, 193,942.92 and 40,556.56 is: 60,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,295.30 : 193,942.92 = 40,556.56 : x
  2. Step 2: Convert to fraction form
    129,295.30/193,942.92 = 40,556.56/x
  3. Step 3: Cross multiply
    129,295.30x = 193,942.92 × 40,556.56
  4. Step 4: Simplify right side
    129,295.30x = 7,865,657,671.56
  5. Step 5: Solve for x
    x = 7,865,657,671.56/129,295.30
  6. Step 6: Final answer
    x = 60,834.83

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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.