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Finding the Fourth Proportional to 121,216.95, 181,740.89 and 53,712.27

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Solution

The fourth proportional to 121,216.95, 181,740.89 and 53,712.27 is: 80,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.95 : 181,740.89 = 53,712.27 : x
  2. Step 2: Convert to fraction form
    121,216.95/181,740.89 = 53,712.27/x
  3. Step 3: Cross multiply
    121,216.95x = 181,740.89 × 53,712.27
  4. Step 4: Simplify right side
    121,216.95x = 9,761,715,888.00
  5. Step 5: Solve for x
    x = 9,761,715,888.00/121,216.95
  6. Step 6: Final answer
    x = 80,530.95

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