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Finding the Fourth Proportional to 88,190.73, 121,705.40 and 47,904.48

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Solution

The fourth proportional to 88,190.73, 121,705.40 and 47,904.48 is: 66,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,190.73 : 121,705.40 = 47,904.48 : x
  2. Step 2: Convert to fraction form
    88,190.73/121,705.40 = 47,904.48/x
  3. Step 3: Cross multiply
    88,190.73x = 121,705.40 × 47,904.48
  4. Step 4: Simplify right side
    88,190.73x = 5,830,234,019.95
  5. Step 5: Solve for x
    x = 5,830,234,019.95/88,190.73
  6. Step 6: Final answer
    x = 66,109.37

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