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Finding the Fourth Proportional to 111,942.20, 167,913.30 and 110,905.40

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Solution

The fourth proportional to 111,942.20, 167,913.30 and 110,905.40 is: 166,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,942.20 : 167,913.30 = 110,905.40 : x
  2. Step 2: Convert to fraction form
    111,942.20/167,913.30 = 110,905.40/x
  3. Step 3: Cross multiply
    111,942.20x = 167,913.30 × 110,905.40
  4. Step 4: Simplify right side
    111,942.20x = 18,622,491,701.82
  5. Step 5: Solve for x
    x = 18,622,491,701.82/111,942.20
  6. Step 6: Final answer
    x = 166,358.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.