Home / 185,297.78-278,318.56-110,563.76

Finding the Fourth Proportional to 185,297.78, 278,318.56 and 110,563.76

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Solution

The fourth proportional to 185,297.78, 278,318.56 and 110,563.76 is: 166,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,297.78 : 278,318.56 = 110,563.76 : x
  2. Step 2: Convert to fraction form
    185,297.78/278,318.56 = 110,563.76/x
  3. Step 3: Cross multiply
    185,297.78x = 278,318.56 × 110,563.76
  4. Step 4: Simplify right side
    185,297.78x = 30,771,946,471.39
  5. Step 5: Solve for x
    x = 30,771,946,471.39/185,297.78
  6. Step 6: Final answer
    x = 166,067.54

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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.