Home / 204,783.63-307,313.78-71,665.04

Finding the Fourth Proportional to 204,783.63, 307,313.78 and 71,665.04

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Solution

The fourth proportional to 204,783.63, 307,313.78 and 71,665.04 is: 107,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,783.63 : 307,313.78 = 71,665.04 : x
  2. Step 2: Convert to fraction form
    204,783.63/307,313.78 = 71,665.04/x
  3. Step 3: Cross multiply
    204,783.63x = 307,313.78 × 71,665.04
  4. Step 4: Simplify right side
    204,783.63x = 22,023,652,441.36
  5. Step 5: Solve for x
    x = 22,023,652,441.36/204,783.63
  6. Step 6: Final answer
    x = 107,545.96

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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.