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Finding the Fourth Proportional to 122,110.40, 183,165.60 and 121,332.80

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Solution

The fourth proportional to 122,110.40, 183,165.60 and 121,332.80 is: 181,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,110.40 : 183,165.60 = 121,332.80 : x
  2. Step 2: Convert to fraction form
    122,110.40/183,165.60 = 121,332.80/x
  3. Step 3: Cross multiply
    122,110.40x = 183,165.60 × 121,332.80
  4. Step 4: Simplify right side
    122,110.40x = 22,223,995,111.68
  5. Step 5: Solve for x
    x = 22,223,995,111.68/122,110.40
  6. Step 6: Final answer
    x = 181,999.20

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