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Finding the Fourth Proportional to 131,212.36, 196,821.54 and 46,978.24

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Solution

The fourth proportional to 131,212.36, 196,821.54 and 46,978.24 is: 70,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,212.36 : 196,821.54 = 46,978.24 : x
  2. Step 2: Convert to fraction form
    131,212.36/196,821.54 = 46,978.24/x
  3. Step 3: Cross multiply
    131,212.36x = 196,821.54 × 46,978.24
  4. Step 4: Simplify right side
    131,212.36x = 9,246,329,543.29
  5. Step 5: Solve for x
    x = 9,246,329,543.29/131,212.36
  6. Step 6: Final answer
    x = 70,468.43

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