Home / 215,091.05-296,807.90-126,672.15

Finding the Fourth Proportional to 215,091.05, 296,807.90 and 126,672.15

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Solution

The fourth proportional to 215,091.05, 296,807.90 and 126,672.15 is: 174,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,091.05 : 296,807.90 = 126,672.15 : x
  2. Step 2: Convert to fraction form
    215,091.05/296,807.90 = 126,672.15/x
  3. Step 3: Cross multiply
    215,091.05x = 296,807.90 × 126,672.15
  4. Step 4: Simplify right side
    215,091.05x = 37,597,295,309.65
  5. Step 5: Solve for x
    x = 37,597,295,309.65/215,091.05
  6. Step 6: Final answer
    x = 174,797.12

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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.