Home / 204,012.48-305,451.12-103,956.96

Finding the Fourth Proportional to 204,012.48, 305,451.12 and 103,956.96

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Solution

The fourth proportional to 204,012.48, 305,451.12 and 103,956.96 is: 155,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,012.48 : 305,451.12 = 103,956.96 : x
  2. Step 2: Convert to fraction form
    204,012.48/305,451.12 = 103,956.96/x
  3. Step 3: Cross multiply
    204,012.48x = 305,451.12 × 103,956.96
  4. Step 4: Simplify right side
    204,012.48x = 31,753,769,863.80
  5. Step 5: Solve for x
    x = 31,753,769,863.80/204,012.48
  6. Step 6: Final answer
    x = 155,646.21

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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.