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Finding the Fourth Proportional to 145,322.20, 218,015.70 and 113,829.40

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Solution

The fourth proportional to 145,322.20, 218,015.70 and 113,829.40 is: 170,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,322.20 : 218,015.70 = 113,829.40 : x
  2. Step 2: Convert to fraction form
    145,322.20/218,015.70 = 113,829.40/x
  3. Step 3: Cross multiply
    145,322.20x = 218,015.70 × 113,829.40
  4. Step 4: Simplify right side
    145,322.20x = 24,816,596,321.58
  5. Step 5: Solve for x
    x = 24,816,596,321.58/145,322.20
  6. Step 6: Final answer
    x = 170,769.48

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