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Finding the Fourth Proportional to 161,018.72, 222,206.66 and 100,624.48

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Solution

The fourth proportional to 161,018.72, 222,206.66 and 100,624.48 is: 138,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,018.72 : 222,206.66 = 100,624.48 : x
  2. Step 2: Convert to fraction form
    161,018.72/222,206.66 = 100,624.48/x
  3. Step 3: Cross multiply
    161,018.72x = 222,206.66 × 100,624.48
  4. Step 4: Simplify right side
    161,018.72x = 22,359,429,615.04
  5. Step 5: Solve for x
    x = 22,359,429,615.04/161,018.72
  6. Step 6: Final answer
    x = 138,862.30

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