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Finding the Fourth Proportional to 153,978.80, 230,935.80 and 65,235.20

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Solution

The fourth proportional to 153,978.80, 230,935.80 and 65,235.20 is: 97,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,978.80 : 230,935.80 = 65,235.20 : x
  2. Step 2: Convert to fraction form
    153,978.80/230,935.80 = 65,235.20/x
  3. Step 3: Cross multiply
    153,978.80x = 230,935.80 × 65,235.20
  4. Step 4: Simplify right side
    153,978.80x = 15,065,143,100.16
  5. Step 5: Solve for x
    x = 15,065,143,100.16/153,978.80
  6. Step 6: Final answer
    x = 97,839.07

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