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Finding the Fourth Proportional to 121,618.06, 167,831.19 and 67,903.92

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Solution

The fourth proportional to 121,618.06, 167,831.19 and 67,903.92 is: 93,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,618.06 : 167,831.19 = 67,903.92 : x
  2. Step 2: Convert to fraction form
    121,618.06/167,831.19 = 67,903.92/x
  3. Step 3: Cross multiply
    121,618.06x = 167,831.19 × 67,903.92
  4. Step 4: Simplify right side
    121,618.06x = 11,396,395,699.26
  5. Step 5: Solve for x
    x = 11,396,395,699.26/121,618.06
  6. Step 6: Final answer
    x = 93,706.44

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