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Finding the Fourth Proportional to 138,413.10, 207,619.65 and 44,928.30

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Solution

The fourth proportional to 138,413.10, 207,619.65 and 44,928.30 is: 67,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,413.10 : 207,619.65 = 44,928.30 : x
  2. Step 2: Convert to fraction form
    138,413.10/207,619.65 = 44,928.30/x
  3. Step 3: Cross multiply
    138,413.10x = 207,619.65 × 44,928.30
  4. Step 4: Simplify right side
    138,413.10x = 9,327,997,921.10
  5. Step 5: Solve for x
    x = 9,327,997,921.10/138,413.10
  6. Step 6: Final answer
    x = 67,392.45

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