Home / 154,183.80-231,163.82-104,138.76

Finding the Fourth Proportional to 154,183.80, 231,163.82 and 104,138.76

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Solution

The fourth proportional to 154,183.80, 231,163.82 and 104,138.76 is: 156,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,183.80 : 231,163.82 = 104,138.76 : x
  2. Step 2: Convert to fraction form
    154,183.80/231,163.82 = 104,138.76/x
  3. Step 3: Cross multiply
    154,183.80x = 231,163.82 × 104,138.76
  4. Step 4: Simplify right side
    154,183.80x = 24,073,113,571.66
  5. Step 5: Solve for x
    x = 24,073,113,571.66/154,183.80
  6. Step 6: Final answer
    x = 156,132.57

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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.