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Finding the Fourth Proportional to 100,921.22, 151,385.31 and 53,472.14

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Solution

The fourth proportional to 100,921.22, 151,385.31 and 53,472.14 is: 80,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,921.22 : 151,385.31 = 53,472.14 : x
  2. Step 2: Convert to fraction form
    100,921.22/151,385.31 = 53,472.14/x
  3. Step 3: Cross multiply
    100,921.22x = 151,385.31 × 53,472.14
  4. Step 4: Simplify right side
    100,921.22x = 8,094,896,868.73
  5. Step 5: Solve for x
    x = 8,094,896,868.73/100,921.22
  6. Step 6: Final answer
    x = 80,210.06

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