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Finding the Fourth Proportional to 109,426.26, 151,019.84 and 64,142.28

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Solution

The fourth proportional to 109,426.26, 151,019.84 and 64,142.28 is: 88,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,426.26 : 151,019.84 = 64,142.28 : x
  2. Step 2: Convert to fraction form
    109,426.26/151,019.84 = 64,142.28/x
  3. Step 3: Cross multiply
    109,426.26x = 151,019.84 × 64,142.28
  4. Step 4: Simplify right side
    109,426.26x = 9,686,756,862.84
  5. Step 5: Solve for x
    x = 9,686,756,862.84/109,426.26
  6. Step 6: Final answer
    x = 88,523.15

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