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Finding the Fourth Proportional to 124,799.16, 172,299.15 and 81,233.22

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Solution

The fourth proportional to 124,799.16, 172,299.15 and 81,233.22 is: 112,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,799.16 : 172,299.15 = 81,233.22 : x
  2. Step 2: Convert to fraction form
    124,799.16/172,299.15 = 81,233.22/x
  3. Step 3: Cross multiply
    124,799.16x = 172,299.15 × 81,233.22
  4. Step 4: Simplify right side
    124,799.16x = 13,996,414,757.76
  5. Step 5: Solve for x
    x = 13,996,414,757.76/124,799.16
  6. Step 6: Final answer
    x = 112,151.51

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