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Finding the Fourth Proportional to 221,538.82, 305,695.56 and 126,047.11

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Solution

The fourth proportional to 221,538.82, 305,695.56 and 126,047.11 is: 173,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,538.82 : 305,695.56 = 126,047.11 : x
  2. Step 2: Convert to fraction form
    221,538.82/305,695.56 = 126,047.11/x
  3. Step 3: Cross multiply
    221,538.82x = 305,695.56 × 126,047.11
  4. Step 4: Simplify right side
    221,538.82x = 38,532,041,877.83
  5. Step 5: Solve for x
    x = 38,532,041,877.83/221,538.82
  6. Step 6: Final answer
    x = 173,929.07

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