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Finding the Fourth Proportional to 100,018.22, 138,023.24 and 54,696.06

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Solution

The fourth proportional to 100,018.22, 138,023.24 and 54,696.06 is: 75,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,018.22 : 138,023.24 = 54,696.06 : x
  2. Step 2: Convert to fraction form
    100,018.22/138,023.24 = 54,696.06/x
  3. Step 3: Cross multiply
    100,018.22x = 138,023.24 × 54,696.06
  4. Step 4: Simplify right side
    100,018.22x = 7,549,327,142.95
  5. Step 5: Solve for x
    x = 7,549,327,142.95/100,018.22
  6. Step 6: Final answer
    x = 75,479.52

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