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Finding the Fourth Proportional to 183.18, 274.80 and 61.45

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Solution

The fourth proportional to 183.18, 274.80 and 61.45 is: 92.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.18 : 274.80 = 61.45 : x
  2. Step 2: Convert to fraction form
    183.18/274.80 = 61.45/x
  3. Step 3: Cross multiply
    183.18x = 274.80 × 61.45
  4. Step 4: Simplify right side
    183.18x = 16,886.46
  5. Step 5: Solve for x
    x = 16,886.46/183.18
  6. Step 6: Final answer
    x = 92.19

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