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Finding the Fourth Proportional to 115,156.29, 172,734.45 and 44,986.41

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Solution

The fourth proportional to 115,156.29, 172,734.45 and 44,986.41 is: 67,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,156.29 : 172,734.45 = 44,986.41 : x
  2. Step 2: Convert to fraction form
    115,156.29/172,734.45 = 44,986.41/x
  3. Step 3: Cross multiply
    115,156.29x = 172,734.45 × 44,986.41
  4. Step 4: Simplify right side
    115,156.29x = 7,770,702,788.82
  5. Step 5: Solve for x
    x = 7,770,702,788.82/115,156.29
  6. Step 6: Final answer
    x = 67,479.62

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