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Finding the Fourth Proportional to 100,669.93, 151,121.54 and 54,013.93

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Solution

The fourth proportional to 100,669.93, 151,121.54 and 54,013.93 is: 81,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,669.93 : 151,121.54 = 54,013.93 : x
  2. Step 2: Convert to fraction form
    100,669.93/151,121.54 = 54,013.93/x
  3. Step 3: Cross multiply
    100,669.93x = 151,121.54 × 54,013.93
  4. Step 4: Simplify right side
    100,669.93x = 8,162,668,283.05
  5. Step 5: Solve for x
    x = 8,162,668,283.05/100,669.93
  6. Step 6: Final answer
    x = 81,083.48

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