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Finding the Fourth Proportional to 134.43, 184.41 and 126.15

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Solution

The fourth proportional to 134.43, 184.41 and 126.15 is: 173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.43 : 184.41 = 126.15 : x
  2. Step 2: Convert to fraction form
    134.43/184.41 = 126.15/x
  3. Step 3: Cross multiply
    134.43x = 184.41 × 126.15
  4. Step 4: Simplify right side
    134.43x = 23,263.32
  5. Step 5: Solve for x
    x = 23,263.32/134.43
  6. Step 6: Final answer
    x = 173.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.