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Finding the Fourth Proportional to 134.11, 184.93 and 101.31

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Solution

The fourth proportional to 134.11, 184.93 and 101.31 is: 139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.11 : 184.93 = 101.31 : x
  2. Step 2: Convert to fraction form
    134.11/184.93 = 101.31/x
  3. Step 3: Cross multiply
    134.11x = 184.93 × 101.31
  4. Step 4: Simplify right side
    134.11x = 18,735.26
  5. Step 5: Solve for x
    x = 18,735.26/134.11
  6. Step 6: Final answer
    x = 139.70

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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.