Home / 185,134.26-255,485.40-100,251.38

Finding the Fourth Proportional to 185,134.26, 255,485.40 and 100,251.38

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Solution

The fourth proportional to 185,134.26, 255,485.40 and 100,251.38 is: 138,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,134.26 : 255,485.40 = 100,251.38 : x
  2. Step 2: Convert to fraction form
    185,134.26/255,485.40 = 100,251.38/x
  3. Step 3: Cross multiply
    185,134.26x = 255,485.40 × 100,251.38
  4. Step 4: Simplify right side
    185,134.26x = 25,612,763,919.85
  5. Step 5: Solve for x
    x = 25,612,763,919.85/185,134.26
  6. Step 6: Final answer
    x = 138,346.97

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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.