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Finding the Fourth Proportional to 221,005.72, 304,989.99 and 125,513.08

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Solution

The fourth proportional to 221,005.72, 304,989.99 and 125,513.08 is: 173,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,005.72 : 304,989.99 = 125,513.08 : x
  2. Step 2: Convert to fraction form
    221,005.72/304,989.99 = 125,513.08/x
  3. Step 3: Cross multiply
    221,005.72x = 304,989.99 × 125,513.08
  4. Step 4: Simplify right side
    221,005.72x = 38,280,233,014.07
  5. Step 5: Solve for x
    x = 38,280,233,014.07/221,005.72
  6. Step 6: Final answer
    x = 173,209.24

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