Home / 204,149.15-306,293.89-91,908.06

Finding the Fourth Proportional to 204,149.15, 306,293.89 and 91,908.06

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Solution

The fourth proportional to 204,149.15, 306,293.89 and 91,908.06 is: 137,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,149.15 : 306,293.89 = 91,908.06 : x
  2. Step 2: Convert to fraction form
    204,149.15/306,293.89 = 91,908.06/x
  3. Step 3: Cross multiply
    204,149.15x = 306,293.89 × 91,908.06
  4. Step 4: Simplify right side
    204,149.15x = 28,150,877,219.75
  5. Step 5: Solve for x
    x = 28,150,877,219.75/204,149.15
  6. Step 6: Final answer
    x = 137,893.68

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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.