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Finding the Fourth Proportional to 133,070.80, 199,606.20 and 119,707.60

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Solution

The fourth proportional to 133,070.80, 199,606.20 and 119,707.60 is: 179,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.80 : 199,606.20 = 119,707.60 : x
  2. Step 2: Convert to fraction form
    133,070.80/199,606.20 = 119,707.60/x
  3. Step 3: Cross multiply
    133,070.80x = 199,606.20 × 119,707.60
  4. Step 4: Simplify right side
    133,070.80x = 23,894,379,147.12
  5. Step 5: Solve for x
    x = 23,894,379,147.12/133,070.80
  6. Step 6: Final answer
    x = 179,561.40

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