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Finding the Fourth Proportional to 192,531.60, 288,797.40 and 145,875.60

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Solution

The fourth proportional to 192,531.60, 288,797.40 and 145,875.60 is: 218,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,531.60 : 288,797.40 = 145,875.60 : x
  2. Step 2: Convert to fraction form
    192,531.60/288,797.40 = 145,875.60/x
  3. Step 3: Cross multiply
    192,531.60x = 288,797.40 × 145,875.60
  4. Step 4: Simplify right side
    192,531.60x = 42,128,494,003.44
  5. Step 5: Solve for x
    x = 42,128,494,003.44/192,531.60
  6. Step 6: Final answer
    x = 218,813.40

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