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Finding the Fourth Proportional to 132,991.60, 199,487.40 and 97,999.60

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Solution

The fourth proportional to 132,991.60, 199,487.40 and 97,999.60 is: 146,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,991.60 : 199,487.40 = 97,999.60 : x
  2. Step 2: Convert to fraction form
    132,991.60/199,487.40 = 97,999.60/x
  3. Step 3: Cross multiply
    132,991.60x = 199,487.40 × 97,999.60
  4. Step 4: Simplify right side
    132,991.60x = 19,549,685,405.04
  5. Step 5: Solve for x
    x = 19,549,685,405.04/132,991.60
  6. Step 6: Final answer
    x = 146,999.40

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