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Finding the Fourth Proportional to 176,558.40, 264,607.20 and 81,777.60

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Solution

The fourth proportional to 176,558.40, 264,607.20 and 81,777.60 is: 122,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,558.40 : 264,607.20 = 81,777.60 : x
  2. Step 2: Convert to fraction form
    176,558.40/264,607.20 = 81,777.60/x
  3. Step 3: Cross multiply
    176,558.40x = 264,607.20 × 81,777.60
  4. Step 4: Simplify right side
    176,558.40x = 21,638,941,758.72
  5. Step 5: Solve for x
    x = 21,638,941,758.72/176,558.40
  6. Step 6: Final answer
    x = 122,559.68

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