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Finding the Fourth Proportional to 99,327.60, 148,991.40 and 88,268.40

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Solution

The fourth proportional to 99,327.60, 148,991.40 and 88,268.40 is: 132,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.60 : 148,991.40 = 88,268.40 : x
  2. Step 2: Convert to fraction form
    99,327.60/148,991.40 = 88,268.40/x
  3. Step 3: Cross multiply
    99,327.60x = 148,991.40 × 88,268.40
  4. Step 4: Simplify right side
    99,327.60x = 13,151,232,491.76
  5. Step 5: Solve for x
    x = 13,151,232,491.76/99,327.60
  6. Step 6: Final answer
    x = 132,402.60

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