Home / 128,506.44-192,757.68-35,011.92

Finding the Fourth Proportional to 128,506.44, 192,757.68 and 35,011.92

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Solution

The fourth proportional to 128,506.44, 192,757.68 and 35,011.92 is: 52,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,506.44 : 192,757.68 = 35,011.92 : x
  2. Step 2: Convert to fraction form
    128,506.44/192,757.68 = 35,011.92/x
  3. Step 3: Cross multiply
    128,506.44x = 192,757.68 × 35,011.92
  4. Step 4: Simplify right side
    128,506.44x = 6,748,816,471.55
  5. Step 5: Solve for x
    x = 6,748,816,471.55/128,506.44
  6. Step 6: Final answer
    x = 52,517.34

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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.