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Finding the Fourth Proportional to 98,413.60, 147,519.60 and 48,416.80

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Solution

The fourth proportional to 98,413.60, 147,519.60 and 48,416.80 is: 72,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413.60 : 147,519.60 = 48,416.80 : x
  2. Step 2: Convert to fraction form
    98,413.60/147,519.60 = 48,416.80/x
  3. Step 3: Cross multiply
    98,413.60x = 147,519.60 × 48,416.80
  4. Step 4: Simplify right side
    98,413.60x = 7,142,426,969.28
  5. Step 5: Solve for x
    x = 7,142,426,969.28/98,413.60
  6. Step 6: Final answer
    x = 72,575.61

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