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Finding the Fourth Proportional to 75,434.94, 113,149.17 and 19,276.43

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Solution

The fourth proportional to 75,434.94, 113,149.17 and 19,276.43 is: 28,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.94 : 113,149.17 = 19,276.43 : x
  2. Step 2: Convert to fraction form
    75,434.94/113,149.17 = 19,276.43/x
  3. Step 3: Cross multiply
    75,434.94x = 113,149.17 × 19,276.43
  4. Step 4: Simplify right side
    75,434.94x = 2,181,111,489.32
  5. Step 5: Solve for x
    x = 2,181,111,489.32/75,434.94
  6. Step 6: Final answer
    x = 28,913.81

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