Home / 128,262.28-192,375.40-44,021.07

Finding the Fourth Proportional to 128,262.28, 192,375.40 and 44,021.07

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Solution

The fourth proportional to 128,262.28, 192,375.40 and 44,021.07 is: 66,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,262.28 : 192,375.40 = 44,021.07 : x
  2. Step 2: Convert to fraction form
    128,262.28/192,375.40 = 44,021.07/x
  3. Step 3: Cross multiply
    128,262.28x = 192,375.40 × 44,021.07
  4. Step 4: Simplify right side
    128,262.28x = 8,468,569,767.70
  5. Step 5: Solve for x
    x = 8,468,569,767.70/128,262.28
  6. Step 6: Final answer
    x = 66,025.41

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1.5x scale

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.