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Finding the Fourth Proportional to 226,679.47, 312,805.30 and 124,688.47

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Solution

The fourth proportional to 226,679.47, 312,805.30 and 124,688.47 is: 172,063.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,679.47 : 312,805.30 = 124,688.47 : x
  2. Step 2: Convert to fraction form
    226,679.47/312,805.30 = 124,688.47/x
  3. Step 3: Cross multiply
    226,679.47x = 312,805.30 × 124,688.47
  4. Step 4: Simplify right side
    226,679.47x = 39,003,214,264.89
  5. Step 5: Solve for x
    x = 39,003,214,264.89/226,679.47
  6. Step 6: Final answer
    x = 172,063.29

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