Home / 185,351.76-278,060.58-67,188.15

Finding the Fourth Proportional to 185,351.76, 278,060.58 and 67,188.15

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Solution

The fourth proportional to 185,351.76, 278,060.58 and 67,188.15 is: 100,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,351.76 : 278,060.58 = 67,188.15 : x
  2. Step 2: Convert to fraction form
    185,351.76/278,060.58 = 67,188.15/x
  3. Step 3: Cross multiply
    185,351.76x = 278,060.58 × 67,188.15
  4. Step 4: Simplify right side
    185,351.76x = 18,682,375,958.13
  5. Step 5: Solve for x
    x = 18,682,375,958.13/185,351.76
  6. Step 6: Final answer
    x = 100,794.17

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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.