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Finding the Fourth Proportional to 115,500.90, 172,992.15 and 94,764.90

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Solution

The fourth proportional to 115,500.90, 172,992.15 and 94,764.90 is: 141,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,500.90 : 172,992.15 = 94,764.90 : x
  2. Step 2: Convert to fraction form
    115,500.90/172,992.15 = 94,764.90/x
  3. Step 3: Cross multiply
    115,500.90x = 172,992.15 × 94,764.90
  4. Step 4: Simplify right side
    115,500.90x = 16,393,583,795.54
  5. Step 5: Solve for x
    x = 16,393,583,795.54/115,500.90
  6. Step 6: Final answer
    x = 141,934.68

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