Home / 204,708.31-307,235.00-86,464.51

Finding the Fourth Proportional to 204,708.31, 307,235.00 and 86,464.51

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Solution

The fourth proportional to 204,708.31, 307,235.00 and 86,464.51 is: 129,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,708.31 : 307,235.00 = 86,464.51 : x
  2. Step 2: Convert to fraction form
    204,708.31/307,235.00 = 86,464.51/x
  3. Step 3: Cross multiply
    204,708.31x = 307,235.00 × 86,464.51
  4. Step 4: Simplify right side
    204,708.31x = 26,564,923,297.53
  5. Step 5: Solve for x
    x = 26,564,923,297.53/204,708.31
  6. Step 6: Final answer
    x = 129,769.64

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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.