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Finding the Fourth Proportional to 135,666.80, 203,442.60 and 65,567.60

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Solution

The fourth proportional to 135,666.80, 203,442.60 and 65,567.60 is: 98,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,666.80 : 203,442.60 = 65,567.60 : x
  2. Step 2: Convert to fraction form
    135,666.80/203,442.60 = 65,567.60/x
  3. Step 3: Cross multiply
    135,666.80x = 203,442.60 × 65,567.60
  4. Step 4: Simplify right side
    135,666.80x = 13,339,243,019.76
  5. Step 5: Solve for x
    x = 13,339,243,019.76/135,666.80
  6. Step 6: Final answer
    x = 98,323.56

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