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Finding the Fourth Proportional to 132,962.80, 199,444.20 and 66,413.20

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Solution

The fourth proportional to 132,962.80, 199,444.20 and 66,413.20 is: 99,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,962.80 : 199,444.20 = 66,413.20 : x
  2. Step 2: Convert to fraction form
    132,962.80/199,444.20 = 66,413.20/x
  3. Step 3: Cross multiply
    132,962.80x = 199,444.20 × 66,413.20
  4. Step 4: Simplify right side
    132,962.80x = 13,245,727,543.44
  5. Step 5: Solve for x
    x = 13,245,727,543.44/132,962.80
  6. Step 6: Final answer
    x = 99,619.80

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