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Finding the Fourth Proportional to 176,735.40, 264,908.70 and 76,878.60

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Solution

The fourth proportional to 176,735.40, 264,908.70 and 76,878.60 is: 115,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,735.40 : 264,908.70 = 76,878.60 : x
  2. Step 2: Convert to fraction form
    176,735.40/264,908.70 = 76,878.60/x
  3. Step 3: Cross multiply
    176,735.40x = 264,908.70 × 76,878.60
  4. Step 4: Simplify right side
    176,735.40x = 20,365,809,983.82
  5. Step 5: Solve for x
    x = 20,365,809,983.82/176,735.40
  6. Step 6: Final answer
    x = 115,233.34

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