Home / 242,074.42-363,121.39-84,318.82

Finding the Fourth Proportional to 242,074.42, 363,121.39 and 84,318.82

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Solution

The fourth proportional to 242,074.42, 363,121.39 and 84,318.82 is: 126,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,074.42 : 363,121.39 = 84,318.82 : x
  2. Step 2: Convert to fraction form
    242,074.42/363,121.39 = 84,318.82/x
  3. Step 3: Cross multiply
    242,074.42x = 363,121.39 × 84,318.82
  4. Step 4: Simplify right side
    242,074.42x = 30,617,967,121.56
  5. Step 5: Solve for x
    x = 30,617,967,121.56/242,074.42
  6. Step 6: Final answer
    x = 126,481.63

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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.