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Finding the Fourth Proportional to 125.22, 187.65 and 93.18

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Solution

The fourth proportional to 125.22, 187.65 and 93.18 is: 139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.22 : 187.65 = 93.18 : x
  2. Step 2: Convert to fraction form
    125.22/187.65 = 93.18/x
  3. Step 3: Cross multiply
    125.22x = 187.65 × 93.18
  4. Step 4: Simplify right side
    125.22x = 17,485.23
  5. Step 5: Solve for x
    x = 17,485.23/125.22
  6. Step 6: Final answer
    x = 139.64

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