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Finding the Fourth Proportional to 133.93, 185.04 and 101.12

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Solution

The fourth proportional to 133.93, 185.04 and 101.12 is: 139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.93 : 185.04 = 101.12 : x
  2. Step 2: Convert to fraction form
    133.93/185.04 = 101.12/x
  3. Step 3: Cross multiply
    133.93x = 185.04 × 101.12
  4. Step 4: Simplify right side
    133.93x = 18,710.74
  5. Step 5: Solve for x
    x = 18,710.74/133.93
  6. Step 6: Final answer
    x = 139.71

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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.