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Finding the Fourth Proportional to 121,587.12, 167,906.16 and 114,960.60

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Solution

The fourth proportional to 121,587.12, 167,906.16 and 114,960.60 is: 158,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,587.12 : 167,906.16 = 114,960.60 : x
  2. Step 2: Convert to fraction form
    121,587.12/167,906.16 = 114,960.60/x
  3. Step 3: Cross multiply
    121,587.12x = 167,906.16 × 114,960.60
  4. Step 4: Simplify right side
    121,587.12x = 19,302,592,897.30
  5. Step 5: Solve for x
    x = 19,302,592,897.30/121,587.12
  6. Step 6: Final answer
    x = 158,755.24

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