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Finding the Fourth Proportional to 118,130.80, 177,325.80 and 73,807.60

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Solution

The fourth proportional to 118,130.80, 177,325.80 and 73,807.60 is: 110,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,130.80 : 177,325.80 = 73,807.60 : x
  2. Step 2: Convert to fraction form
    118,130.80/177,325.80 = 73,807.60/x
  3. Step 3: Cross multiply
    118,130.80x = 177,325.80 × 73,807.60
  4. Step 4: Simplify right side
    118,130.80x = 13,087,991,716.08
  5. Step 5: Solve for x
    x = 13,087,991,716.08/118,130.80
  6. Step 6: Final answer
    x = 110,792.37

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