Home / 205,771.37-283,975.50-115,121.94

Finding the Fourth Proportional to 205,771.37, 283,975.50 and 115,121.94

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Solution

The fourth proportional to 205,771.37, 283,975.50 and 115,121.94 is: 158,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,771.37 : 283,975.50 = 115,121.94 : x
  2. Step 2: Convert to fraction form
    205,771.37/283,975.50 = 115,121.94/x
  3. Step 3: Cross multiply
    205,771.37x = 283,975.50 × 115,121.94
  4. Step 4: Simplify right side
    205,771.37x = 32,691,810,472.47
  5. Step 5: Solve for x
    x = 32,691,810,472.47/205,771.37
  6. Step 6: Final answer
    x = 158,874.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.