Home / 128,251.80-192,377.70-125,627.40

Finding the Fourth Proportional to 128,251.80, 192,377.70 and 125,627.40

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Solution

The fourth proportional to 128,251.80, 192,377.70 and 125,627.40 is: 188,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,251.80 : 192,377.70 = 125,627.40 : x
  2. Step 2: Convert to fraction form
    128,251.80/192,377.70 = 125,627.40/x
  3. Step 3: Cross multiply
    128,251.80x = 192,377.70 × 125,627.40
  4. Step 4: Simplify right side
    128,251.80x = 24,167,910,268.98
  5. Step 5: Solve for x
    x = 24,167,910,268.98/128,251.80
  6. Step 6: Final answer
    x = 188,441.10

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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.