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Finding the Fourth Proportional to 74,027.98, 102,158.91 and 40,036.46

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Solution

The fourth proportional to 74,027.98, 102,158.91 and 40,036.46 is: 55,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,027.98 : 102,158.91 = 40,036.46 : x
  2. Step 2: Convert to fraction form
    74,027.98/102,158.91 = 40,036.46/x
  3. Step 3: Cross multiply
    74,027.98x = 102,158.91 × 40,036.46
  4. Step 4: Simplify right side
    74,027.98x = 4,090,081,113.86
  5. Step 5: Solve for x
    x = 4,090,081,113.86/74,027.98
  6. Step 6: Final answer
    x = 55,250.48

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