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Finding the Fourth Proportional to 134.62, 185.73 and 110.05

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Solution

The fourth proportional to 134.62, 185.73 and 110.05 is: 151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.62 : 185.73 = 110.05 : x
  2. Step 2: Convert to fraction form
    134.62/185.73 = 110.05/x
  3. Step 3: Cross multiply
    134.62x = 185.73 × 110.05
  4. Step 4: Simplify right side
    134.62x = 20,438.71
  5. Step 5: Solve for x
    x = 20,438.71/134.62
  6. Step 6: Final answer
    x = 151.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.