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Finding the Fourth Proportional to 135,413.40, 203,054.48 and 67,916.43

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Solution

The fourth proportional to 135,413.40, 203,054.48 and 67,916.43 is: 101,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,413.40 : 203,054.48 = 67,916.43 : x
  2. Step 2: Convert to fraction form
    135,413.40/203,054.48 = 67,916.43/x
  3. Step 3: Cross multiply
    135,413.40x = 203,054.48 × 67,916.43
  4. Step 4: Simplify right side
    135,413.40x = 13,790,735,377.11
  5. Step 5: Solve for x
    x = 13,790,735,377.11/135,413.40
  6. Step 6: Final answer
    x = 101,841.74

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