Home / 185,372.82-278,080.85-67,099.86

Finding the Fourth Proportional to 185,372.82, 278,080.85 and 67,099.86

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Solution

The fourth proportional to 185,372.82, 278,080.85 and 67,099.86 is: 100,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,372.82 : 278,080.85 = 67,099.86 : x
  2. Step 2: Convert to fraction form
    185,372.82/278,080.85 = 67,099.86/x
  3. Step 3: Cross multiply
    185,372.82x = 278,080.85 × 67,099.86
  4. Step 4: Simplify right side
    185,372.82x = 18,659,185,768.18
  5. Step 5: Solve for x
    x = 18,659,185,768.18/185,372.82
  6. Step 6: Final answer
    x = 100,657.61

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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.