Home / 111,226.75-166,452.30-91,002.52

Finding the Fourth Proportional to 111,226.75, 166,452.30 and 91,002.52

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Solution

The fourth proportional to 111,226.75, 166,452.30 and 91,002.52 is: 136,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,226.75 : 166,452.30 = 91,002.52 : x
  2. Step 2: Convert to fraction form
    111,226.75/166,452.30 = 91,002.52/x
  3. Step 3: Cross multiply
    111,226.75x = 166,452.30 × 91,002.52
  4. Step 4: Simplify right side
    111,226.75x = 15,147,578,759.80
  5. Step 5: Solve for x
    x = 15,147,578,759.80/111,226.75
  6. Step 6: Final answer
    x = 136,186.47

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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.