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Finding the Fourth Proportional to 116,768.80, 175,282.80 and 72,445.60

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Solution

The fourth proportional to 116,768.80, 175,282.80 and 72,445.60 is: 108,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,768.80 : 175,282.80 = 72,445.60 : x
  2. Step 2: Convert to fraction form
    116,768.80/175,282.80 = 72,445.60/x
  3. Step 3: Cross multiply
    116,768.80x = 175,282.80 × 72,445.60
  4. Step 4: Simplify right side
    116,768.80x = 12,698,467,615.68
  5. Step 5: Solve for x
    x = 12,698,467,615.68/116,768.80
  6. Step 6: Final answer
    x = 108,748.81

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