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Finding the Fourth Proportional to 134.03, 199.69 and 125.75

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Solution

The fourth proportional to 134.03, 199.69 and 125.75 is: 187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.03 : 199.69 = 125.75 : x
  2. Step 2: Convert to fraction form
    134.03/199.69 = 125.75/x
  3. Step 3: Cross multiply
    134.03x = 199.69 × 125.75
  4. Step 4: Simplify right side
    134.03x = 25,111.02
  5. Step 5: Solve for x
    x = 25,111.02/134.03
  6. Step 6: Final answer
    x = 187.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.