Home / 185,375.82-278,085.35-67,102.86

Finding the Fourth Proportional to 185,375.82, 278,085.35 and 67,102.86

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Solution

The fourth proportional to 185,375.82, 278,085.35 and 67,102.86 is: 100,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,375.82 : 278,085.35 = 67,102.86 : x
  2. Step 2: Convert to fraction form
    185,375.82/278,085.35 = 67,102.86/x
  3. Step 3: Cross multiply
    185,375.82x = 278,085.35 × 67,102.86
  4. Step 4: Simplify right side
    185,375.82x = 18,660,322,309.10
  5. Step 5: Solve for x
    x = 18,660,322,309.10/185,375.82
  6. Step 6: Final answer
    x = 100,662.12

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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.