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Finding the Fourth Proportional to 111,277.26, 166,913.91 and 35,375.45

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Solution

The fourth proportional to 111,277.26, 166,913.91 and 35,375.45 is: 53,062.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,277.26 : 166,913.91 = 35,375.45 : x
  2. Step 2: Convert to fraction form
    111,277.26/166,913.91 = 35,375.45/x
  3. Step 3: Cross multiply
    111,277.26x = 166,913.91 × 35,375.45
  4. Step 4: Simplify right side
    111,277.26x = 5,904,653,842.94
  5. Step 5: Solve for x
    x = 5,904,653,842.94/111,277.26
  6. Step 6: Final answer
    x = 53,062.54

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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.