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Finding the Fourth Proportional to 134.60, 185.48 and 126.50

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Solution

The fourth proportional to 134.60, 185.48 and 126.50 is: 174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.60 : 185.48 = 126.50 : x
  2. Step 2: Convert to fraction form
    134.60/185.48 = 126.50/x
  3. Step 3: Cross multiply
    134.60x = 185.48 × 126.50
  4. Step 4: Simplify right side
    134.60x = 23,463.22
  5. Step 5: Solve for x
    x = 23,463.22/134.60
  6. Step 6: Final answer
    x = 174.32

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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.