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Finding the Fourth Proportional to 114,316.80, 171,475.20 and 72,326.40

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Solution

The fourth proportional to 114,316.80, 171,475.20 and 72,326.40 is: 108,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,316.80 : 171,475.20 = 72,326.40 : x
  2. Step 2: Convert to fraction form
    114,316.80/171,475.20 = 72,326.40/x
  3. Step 3: Cross multiply
    114,316.80x = 171,475.20 × 72,326.40
  4. Step 4: Simplify right side
    114,316.80x = 12,402,183,905.28
  5. Step 5: Solve for x
    x = 12,402,183,905.28/114,316.80
  6. Step 6: Final answer
    x = 108,489.60

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