Home / 111,195.21-166,791.35-26,956.13

Finding the Fourth Proportional to 111,195.21, 166,791.35 and 26,956.13

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Solution

The fourth proportional to 111,195.21, 166,791.35 and 26,956.13 is: 40,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,195.21 : 166,791.35 = 26,956.13 : x
  2. Step 2: Convert to fraction form
    111,195.21/166,791.35 = 26,956.13/x
  3. Step 3: Cross multiply
    111,195.21x = 166,791.35 × 26,956.13
  4. Step 4: Simplify right side
    111,195.21x = 4,496,049,797.84
  5. Step 5: Solve for x
    x = 4,496,049,797.84/111,195.21
  6. Step 6: Final answer
    x = 40,433.84

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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.