Home / 204,957.14-307,468.31-86,629.50

Finding the Fourth Proportional to 204,957.14, 307,468.31 and 86,629.50

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Solution

The fourth proportional to 204,957.14, 307,468.31 and 86,629.50 is: 129,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,957.14 : 307,468.31 = 86,629.50 : x
  2. Step 2: Convert to fraction form
    204,957.14/307,468.31 = 86,629.50/x
  3. Step 3: Cross multiply
    204,957.14x = 307,468.31 × 86,629.50
  4. Step 4: Simplify right side
    204,957.14x = 26,635,825,528.00
  5. Step 5: Solve for x
    x = 26,635,825,528.00/204,957.14
  6. Step 6: Final answer
    x = 129,958.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.