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Finding the Fourth Proportional to 221,345.73, 305,426.30 and 125,841.87

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Solution

The fourth proportional to 221,345.73, 305,426.30 and 125,841.87 is: 173,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,345.73 : 305,426.30 = 125,841.87 : x
  2. Step 2: Convert to fraction form
    221,345.73/305,426.30 = 125,841.87/x
  3. Step 3: Cross multiply
    221,345.73x = 305,426.30 × 125,841.87
  4. Step 4: Simplify right side
    221,345.73x = 38,435,416,109.97
  5. Step 5: Solve for x
    x = 38,435,416,109.97/221,345.73
  6. Step 6: Final answer
    x = 173,644.26

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