Home / 128,360.92-192,493.44-44,097.16

Finding the Fourth Proportional to 128,360.92, 192,493.44 and 44,097.16

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Solution

The fourth proportional to 128,360.92, 192,493.44 and 44,097.16 is: 66,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,360.92 : 192,493.44 = 44,097.16 : x
  2. Step 2: Convert to fraction form
    128,360.92/192,493.44 = 44,097.16/x
  3. Step 3: Cross multiply
    128,360.92x = 192,493.44 × 44,097.16
  4. Step 4: Simplify right side
    128,360.92x = 8,488,414,022.63
  5. Step 5: Solve for x
    x = 8,488,414,022.63/128,360.92
  6. Step 6: Final answer
    x = 66,129.27

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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.