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Finding the Fourth Proportional to 101.93, 141.41 and 93.83

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Solution

The fourth proportional to 101.93, 141.41 and 93.83 is: 130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.93 : 141.41 = 93.83 : x
  2. Step 2: Convert to fraction form
    101.93/141.41 = 93.83/x
  3. Step 3: Cross multiply
    101.93x = 141.41 × 93.83
  4. Step 4: Simplify right side
    101.93x = 13,268.03
  5. Step 5: Solve for x
    x = 13,268.03/101.93
  6. Step 6: Final answer
    x = 130.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.