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Finding the Fourth Proportional to 98,660.49, 136,152.09 and 53,338.41

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Solution

The fourth proportional to 98,660.49, 136,152.09 and 53,338.41 is: 73,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,660.49 : 136,152.09 = 53,338.41 : x
  2. Step 2: Convert to fraction form
    98,660.49/136,152.09 = 53,338.41/x
  3. Step 3: Cross multiply
    98,660.49x = 136,152.09 × 53,338.41
  4. Step 4: Simplify right side
    98,660.49x = 7,262,135,998.78
  5. Step 5: Solve for x
    x = 7,262,135,998.78/98,660.49
  6. Step 6: Final answer
    x = 73,607.34

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