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Finding the Fourth Proportional to 106,415.54, 159,548.47 and 49,428.95

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Solution

The fourth proportional to 106,415.54, 159,548.47 and 49,428.95 is: 74,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,415.54 : 159,548.47 = 49,428.95 : x
  2. Step 2: Convert to fraction form
    106,415.54/159,548.47 = 49,428.95/x
  3. Step 3: Cross multiply
    106,415.54x = 159,548.47 × 49,428.95
  4. Step 4: Simplify right side
    106,415.54x = 7,886,313,012.64
  5. Step 5: Solve for x
    x = 7,886,313,012.64/106,415.54
  6. Step 6: Final answer
    x = 74,108.66

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