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Finding the Fourth Proportional to 163,280.50, 225,433.35 and 99,655.18

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Solution

The fourth proportional to 163,280.50, 225,433.35 and 99,655.18 is: 137,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,280.50 : 225,433.35 = 99,655.18 : x
  2. Step 2: Convert to fraction form
    163,280.50/225,433.35 = 99,655.18/x
  3. Step 3: Cross multiply
    163,280.50x = 225,433.35 × 99,655.18
  4. Step 4: Simplify right side
    163,280.50x = 22,465,601,072.25
  5. Step 5: Solve for x
    x = 22,465,601,072.25/163,280.50
  6. Step 6: Final answer
    x = 137,589.00

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