Home / 128,002.44-192,007.77-43,759.20

Finding the Fourth Proportional to 128,002.44, 192,007.77 and 43,759.20

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Solution

The fourth proportional to 128,002.44, 192,007.77 and 43,759.20 is: 65,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,002.44 : 192,007.77 = 43,759.20 : x
  2. Step 2: Convert to fraction form
    128,002.44/192,007.77 = 43,759.20/x
  3. Step 3: Cross multiply
    128,002.44x = 192,007.77 × 43,759.20
  4. Step 4: Simplify right side
    128,002.44x = 8,402,106,408.98
  5. Step 5: Solve for x
    x = 8,402,106,408.98/128,002.44
  6. Step 6: Final answer
    x = 65,640.21

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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.