Home / 111,272.94-166,902.12-52,121.88

Finding the Fourth Proportional to 111,272.94, 166,902.12 and 52,121.88

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Solution

The fourth proportional to 111,272.94, 166,902.12 and 52,121.88 is: 78,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,272.94 : 166,902.12 = 52,121.88 : x
  2. Step 2: Convert to fraction form
    111,272.94/166,902.12 = 52,121.88/x
  3. Step 3: Cross multiply
    111,272.94x = 166,902.12 × 52,121.88
  4. Step 4: Simplify right side
    111,272.94x = 8,699,252,270.39
  5. Step 5: Solve for x
    x = 8,699,252,270.39/111,272.94
  6. Step 6: Final answer
    x = 78,179.41

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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.