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Finding the Fourth Proportional to 133,065.40, 199,626.90 and 39,580.60

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Solution

The fourth proportional to 133,065.40, 199,626.90 and 39,580.60 is: 59,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065.40 : 199,626.90 = 39,580.60 : x
  2. Step 2: Convert to fraction form
    133,065.40/199,626.90 = 39,580.60/x
  3. Step 3: Cross multiply
    133,065.40x = 199,626.90 × 39,580.60
  4. Step 4: Simplify right side
    133,065.40x = 7,901,352,478.14
  5. Step 5: Solve for x
    x = 7,901,352,478.14/133,065.40
  6. Step 6: Final answer
    x = 59,379.47

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