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Finding the Fourth Proportional to 111,110.62, 166,683.25 and 36,213.39

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Solution

The fourth proportional to 111,110.62, 166,683.25 and 36,213.39 is: 54,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.62 : 166,683.25 = 36,213.39 : x
  2. Step 2: Convert to fraction form
    111,110.62/166,683.25 = 36,213.39/x
  3. Step 3: Cross multiply
    111,110.62x = 166,683.25 × 36,213.39
  4. Step 4: Simplify right side
    111,110.62x = 6,036,165,538.72
  5. Step 5: Solve for x
    x = 6,036,165,538.72/111,110.62
  6. Step 6: Final answer
    x = 54,325.73

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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.