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Finding the Fourth Proportional to 74,207.16, 111,126.09 and 51,916.17

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Solution

The fourth proportional to 74,207.16, 111,126.09 and 51,916.17 is: 77,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.16 : 111,126.09 = 51,916.17 : x
  2. Step 2: Convert to fraction form
    74,207.16/111,126.09 = 51,916.17/x
  3. Step 3: Cross multiply
    74,207.16x = 111,126.09 × 51,916.17
  4. Step 4: Simplify right side
    74,207.16x = 5,769,240,979.88
  5. Step 5: Solve for x
    x = 5,769,240,979.88/74,207.16
  6. Step 6: Final answer
    x = 77,745.07

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