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Finding the Fourth Proportional to 220,211.31, 303,895.61 and 124,737.82

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Solution

The fourth proportional to 220,211.31, 303,895.61 and 124,737.82 is: 172,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,211.31 : 303,895.61 = 124,737.82 : x
  2. Step 2: Convert to fraction form
    220,211.31/303,895.61 = 124,737.82/x
  3. Step 3: Cross multiply
    220,211.31x = 303,895.61 × 124,737.82
  4. Step 4: Simplify right side
    220,211.31x = 37,907,275,898.97
  5. Step 5: Solve for x
    x = 37,907,275,898.97/220,211.31
  6. Step 6: Final answer
    x = 172,140.46

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