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Finding the Fourth Proportional to 133,070.40, 199,605.60 and 127,821.60

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Solution

The fourth proportional to 133,070.40, 199,605.60 and 127,821.60 is: 191,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.40 : 199,605.60 = 127,821.60 : x
  2. Step 2: Convert to fraction form
    133,070.40/199,605.60 = 127,821.60/x
  3. Step 3: Cross multiply
    133,070.40x = 199,605.60 × 127,821.60
  4. Step 4: Simplify right side
    133,070.40x = 25,513,907,160.96
  5. Step 5: Solve for x
    x = 25,513,907,160.96/133,070.40
  6. Step 6: Final answer
    x = 191,732.40

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