Home / 204,727.19-307,263.31-86,483.39

Finding the Fourth Proportional to 204,727.19, 307,263.31 and 86,483.39

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Solution

The fourth proportional to 204,727.19, 307,263.31 and 86,483.39 is: 129,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,727.19 : 307,263.31 = 86,483.39 : x
  2. Step 2: Convert to fraction form
    204,727.19/307,263.31 = 86,483.39/x
  3. Step 3: Cross multiply
    204,727.19x = 307,263.31 × 86,483.39
  4. Step 4: Simplify right side
    204,727.19x = 26,573,170,918.90
  5. Step 5: Solve for x
    x = 26,573,170,918.90/204,727.19
  6. Step 6: Final answer
    x = 129,797.96

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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.