Home / 215,056.35-322,650.15-109,949.13

Finding the Fourth Proportional to 215,056.35, 322,650.15 and 109,949.13

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Solution

The fourth proportional to 215,056.35, 322,650.15 and 109,949.13 is: 164,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,056.35 : 322,650.15 = 109,949.13 : x
  2. Step 2: Convert to fraction form
    215,056.35/322,650.15 = 109,949.13/x
  3. Step 3: Cross multiply
    215,056.35x = 322,650.15 × 109,949.13
  4. Step 4: Simplify right side
    215,056.35x = 35,475,103,286.87
  5. Step 5: Solve for x
    x = 35,475,103,286.87/215,056.35
  6. Step 6: Final answer
    x = 164,957.25

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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.