Home / 204,903.31-307,354.96-55,143.93

Finding the Fourth Proportional to 204,903.31, 307,354.96 and 55,143.93

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Solution

The fourth proportional to 204,903.31, 307,354.96 and 55,143.93 is: 82,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,903.31 : 307,354.96 = 55,143.93 : x
  2. Step 2: Convert to fraction form
    204,903.31/307,354.96 = 55,143.93/x
  3. Step 3: Cross multiply
    204,903.31x = 307,354.96 × 55,143.93
  4. Step 4: Simplify right side
    204,903.31x = 16,948,760,399.39
  5. Step 5: Solve for x
    x = 16,948,760,399.39/204,903.31
  6. Step 6: Final answer
    x = 82,715.89

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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.