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Finding the Fourth Proportional to 192,611.80, 265,802.76 and 107,728.80

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Solution

The fourth proportional to 192,611.80, 265,802.76 and 107,728.80 is: 148,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,611.80 : 265,802.76 = 107,728.80 : x
  2. Step 2: Convert to fraction form
    192,611.80/265,802.76 = 107,728.80/x
  3. Step 3: Cross multiply
    192,611.80x = 265,802.76 × 107,728.80
  4. Step 4: Simplify right side
    192,611.80x = 28,634,612,371.49
  5. Step 5: Solve for x
    x = 28,634,612,371.49/192,611.80
  6. Step 6: Final answer
    x = 148,664.89

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