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Finding the Fourth Proportional to 125.88, 188.87 and 65.03

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Solution

The fourth proportional to 125.88, 188.87 and 65.03 is: 97.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.88 : 188.87 = 65.03 : x
  2. Step 2: Convert to fraction form
    125.88/188.87 = 65.03/x
  3. Step 3: Cross multiply
    125.88x = 188.87 × 65.03
  4. Step 4: Simplify right side
    125.88x = 12,280.95
  5. Step 5: Solve for x
    x = 12,280.95/125.88
  6. Step 6: Final answer
    x = 97.56

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