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Finding the Fourth Proportional to 116,515.80, 174,903.30 and 72,192.60

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Solution

The fourth proportional to 116,515.80, 174,903.30 and 72,192.60 is: 108,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,515.80 : 174,903.30 = 72,192.60 : x
  2. Step 2: Convert to fraction form
    116,515.80/174,903.30 = 72,192.60/x
  3. Step 3: Cross multiply
    116,515.80x = 174,903.30 × 72,192.60
  4. Step 4: Simplify right side
    116,515.80x = 12,626,723,975.58
  5. Step 5: Solve for x
    x = 12,626,723,975.58/116,515.80
  6. Step 6: Final answer
    x = 108,369.20

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