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Finding the Fourth Proportional to 111,889.70, 167,836.79 and 41,755.02

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Solution

The fourth proportional to 111,889.70, 167,836.79 and 41,755.02 is: 62,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,889.70 : 167,836.79 = 41,755.02 : x
  2. Step 2: Convert to fraction form
    111,889.70/167,836.79 = 41,755.02/x
  3. Step 3: Cross multiply
    111,889.70x = 167,836.79 × 41,755.02
  4. Step 4: Simplify right side
    111,889.70x = 7,008,028,523.19
  5. Step 5: Solve for x
    x = 7,008,028,523.19/111,889.70
  6. Step 6: Final answer
    x = 62,633.37

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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.