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Finding the Fourth Proportional to 135,439.92, 203,146.92 and 46,681.20

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Solution

The fourth proportional to 135,439.92, 203,146.92 and 46,681.20 is: 70,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,439.92 : 203,146.92 = 46,681.20 : x
  2. Step 2: Convert to fraction form
    135,439.92/203,146.92 = 46,681.20/x
  3. Step 3: Cross multiply
    135,439.92x = 203,146.92 × 46,681.20
  4. Step 4: Simplify right side
    135,439.92x = 9,483,142,001.90
  5. Step 5: Solve for x
    x = 9,483,142,001.90/135,439.92
  6. Step 6: Final answer
    x = 70,017.33

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