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Finding the Fourth Proportional to 131,496.60, 197,244.90 and 105,252.60

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Solution

The fourth proportional to 131,496.60, 197,244.90 and 105,252.60 is: 157,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496.60 : 197,244.90 = 105,252.60 : x
  2. Step 2: Convert to fraction form
    131,496.60/197,244.90 = 105,252.60/x
  3. Step 3: Cross multiply
    131,496.60x = 197,244.90 × 105,252.60
  4. Step 4: Simplify right side
    131,496.60x = 20,760,538,561.74
  5. Step 5: Solve for x
    x = 20,760,538,561.74/131,496.60
  6. Step 6: Final answer
    x = 157,878.90

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