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Finding the Fourth Proportional to 134.10, 184.96 and 94.84

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Solution

The fourth proportional to 134.10, 184.96 and 94.84 is: 130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.10 : 184.96 = 94.84 : x
  2. Step 2: Convert to fraction form
    134.10/184.96 = 94.84/x
  3. Step 3: Cross multiply
    134.10x = 184.96 × 94.84
  4. Step 4: Simplify right side
    134.10x = 17,540.21
  5. Step 5: Solve for x
    x = 17,540.21/134.10
  6. Step 6: Final answer
    x = 130.80

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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.