Home / 136,667.20-188,524.92-80,067.64

Finding the Fourth Proportional to 136,667.20, 188,524.92 and 80,067.64

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Solution

The fourth proportional to 136,667.20, 188,524.92 and 80,067.64 is: 110,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,667.20 : 188,524.92 = 80,067.64 : x
  2. Step 2: Convert to fraction form
    136,667.20/188,524.92 = 80,067.64/x
  3. Step 3: Cross multiply
    136,667.20x = 188,524.92 × 80,067.64
  4. Step 4: Simplify right side
    136,667.20x = 15,094,745,425.59
  5. Step 5: Solve for x
    x = 15,094,745,425.59/136,667.20
  6. Step 6: Final answer
    x = 110,448.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.