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Finding the Fourth Proportional to 121,998.34, 183,729.35 and 107,367.31

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Solution

The fourth proportional to 121,998.34, 183,729.35 and 107,367.31 is: 161,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,998.34 : 183,729.35 = 107,367.31 : x
  2. Step 2: Convert to fraction form
    121,998.34/183,729.35 = 107,367.31/x
  3. Step 3: Cross multiply
    121,998.34x = 183,729.35 × 107,367.31
  4. Step 4: Simplify right side
    121,998.34x = 19,726,526,077.55
  5. Step 5: Solve for x
    x = 19,726,526,077.55/121,998.34
  6. Step 6: Final answer
    x = 161,695.04

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