Home / 128,650.73-192,989.19-44,399.93

Finding the Fourth Proportional to 128,650.73, 192,989.19 and 44,399.93

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Solution

The fourth proportional to 128,650.73, 192,989.19 and 44,399.93 is: 66,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,650.73 : 192,989.19 = 44,399.93 : x
  2. Step 2: Convert to fraction form
    128,650.73/192,989.19 = 44,399.93/x
  3. Step 3: Cross multiply
    128,650.73x = 192,989.19 × 44,399.93
  4. Step 4: Simplify right side
    128,650.73x = 8,568,706,526.76
  5. Step 5: Solve for x
    x = 8,568,706,526.76/128,650.73
  6. Step 6: Final answer
    x = 66,604.41

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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.