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Finding the Fourth Proportional to 106,420.88, 159,523.52 and 69,004.69

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Solution

The fourth proportional to 106,420.88, 159,523.52 and 69,004.69 is: 103,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420.88 : 159,523.52 = 69,004.69 : x
  2. Step 2: Convert to fraction form
    106,420.88/159,523.52 = 69,004.69/x
  3. Step 3: Cross multiply
    106,420.88x = 159,523.52 × 69,004.69
  4. Step 4: Simplify right side
    106,420.88x = 11,007,871,045.31
  5. Step 5: Solve for x
    x = 11,007,871,045.31/106,420.88
  6. Step 6: Final answer
    x = 103,437.14

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