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Finding the Fourth Proportional to 221,285.48, 305,399.76 and 125,806.46

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Solution

The fourth proportional to 221,285.48, 305,399.76 and 125,806.46 is: 173,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,285.48 : 305,399.76 = 125,806.46 : x
  2. Step 2: Convert to fraction form
    221,285.48/305,399.76 = 125,806.46/x
  3. Step 3: Cross multiply
    221,285.48x = 305,399.76 × 125,806.46
  4. Step 4: Simplify right side
    221,285.48x = 38,421,262,690.45
  5. Step 5: Solve for x
    x = 38,421,262,690.45/221,285.48
  6. Step 6: Final answer
    x = 173,627.58

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