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Finding the Fourth Proportional to 153,864.40, 230,796.60 and 70,920.40

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Solution

The fourth proportional to 153,864.40, 230,796.60 and 70,920.40 is: 106,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,864.40 : 230,796.60 = 70,920.40 : x
  2. Step 2: Convert to fraction form
    153,864.40/230,796.60 = 70,920.40/x
  3. Step 3: Cross multiply
    153,864.40x = 230,796.60 × 70,920.40
  4. Step 4: Simplify right side
    153,864.40x = 16,368,187,190.64
  5. Step 5: Solve for x
    x = 16,368,187,190.64/153,864.40
  6. Step 6: Final answer
    x = 106,380.60

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