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Finding the Fourth Proportional to 310,092.20, 465,138.39 and 99,730.13

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Solution

The fourth proportional to 310,092.20, 465,138.39 and 99,730.13 is: 149,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,092.20 : 465,138.39 = 99,730.13 : x
  2. Step 2: Convert to fraction form
    310,092.20/465,138.39 = 99,730.13/x
  3. Step 3: Cross multiply
    310,092.20x = 465,138.39 × 99,730.13
  4. Step 4: Simplify right side
    310,092.20x = 46,388,309,777.00
  5. Step 5: Solve for x
    x = 46,388,309,777.00/310,092.20
  6. Step 6: Final answer
    x = 149,595.22

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