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Finding the Fourth Proportional to 117,451.13, 162,021.92 and 74,357.64

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Solution

The fourth proportional to 117,451.13, 162,021.92 and 74,357.64 is: 102,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,451.13 : 162,021.92 = 74,357.64 : x
  2. Step 2: Convert to fraction form
    117,451.13/162,021.92 = 74,357.64/x
  3. Step 3: Cross multiply
    117,451.13x = 162,021.92 × 74,357.64
  4. Step 4: Simplify right side
    117,451.13x = 12,047,567,227.68
  5. Step 5: Solve for x
    x = 12,047,567,227.68/117,451.13
  6. Step 6: Final answer
    x = 102,575.15

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