Home / 215,039.20-296,772.05-119,554.78

Finding the Fourth Proportional to 215,039.20, 296,772.05 and 119,554.78

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Solution

The fourth proportional to 215,039.20, 296,772.05 and 119,554.78 is: 164,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,039.20 : 296,772.05 = 119,554.78 : x
  2. Step 2: Convert to fraction form
    215,039.20/296,772.05 = 119,554.78/x
  3. Step 3: Cross multiply
    215,039.20x = 296,772.05 × 119,554.78
  4. Step 4: Simplify right side
    215,039.20x = 35,480,517,147.90
  5. Step 5: Solve for x
    x = 35,480,517,147.90/215,039.20
  6. Step 6: Final answer
    x = 164,995.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.