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Finding the Fourth Proportional to 220,118.28, 303,764.34 and 124,643.58

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Solution

The fourth proportional to 220,118.28, 303,764.34 and 124,643.58 is: 172,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,118.28 : 303,764.34 = 124,643.58 : x
  2. Step 2: Convert to fraction form
    220,118.28/303,764.34 = 124,643.58/x
  3. Step 3: Cross multiply
    220,118.28x = 303,764.34 × 124,643.58
  4. Step 4: Simplify right side
    220,118.28x = 37,862,274,813.94
  5. Step 5: Solve for x
    x = 37,862,274,813.94/220,118.28
  6. Step 6: Final answer
    x = 172,008.77

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