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Finding the Fourth Proportional to 115,067.17, 172,543.04 and 67,051.33

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Solution

The fourth proportional to 115,067.17, 172,543.04 and 67,051.33 is: 100,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,067.17 : 172,543.04 = 67,051.33 : x
  2. Step 2: Convert to fraction form
    115,067.17/172,543.04 = 67,051.33/x
  3. Step 3: Cross multiply
    115,067.17x = 172,543.04 × 67,051.33
  4. Step 4: Simplify right side
    115,067.17x = 11,569,240,314.24
  5. Step 5: Solve for x
    x = 11,569,240,314.24/115,067.17
  6. Step 6: Final answer
    x = 100,543.36

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