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Finding the Fourth Proportional to 176.76, 265.08 and 72.60

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Solution

The fourth proportional to 176.76, 265.08 and 72.60 is: 108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.76 : 265.08 = 72.60 : x
  2. Step 2: Convert to fraction form
    176.76/265.08 = 72.60/x
  3. Step 3: Cross multiply
    176.76x = 265.08 × 72.60
  4. Step 4: Simplify right side
    176.76x = 19,244.81
  5. Step 5: Solve for x
    x = 19,244.81/176.76
  6. Step 6: Final answer
    x = 108.88

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