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Finding the Fourth Proportional to 115,143.16, 172,720.94 and 36,263.56

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Solution

The fourth proportional to 115,143.16, 172,720.94 and 36,263.56 is: 54,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,143.16 : 172,720.94 = 36,263.56 : x
  2. Step 2: Convert to fraction form
    115,143.16/172,720.94 = 36,263.56/x
  3. Step 3: Cross multiply
    115,143.16x = 172,720.94 × 36,263.56
  4. Step 4: Simplify right side
    115,143.16x = 6,263,476,170.95
  5. Step 5: Solve for x
    x = 6,263,476,170.95/115,143.16
  6. Step 6: Final answer
    x = 54,397.29

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