Home / 213,889.36-295,174.26-123,238.12

Finding the Fourth Proportional to 213,889.36, 295,174.26 and 123,238.12

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Solution

The fourth proportional to 213,889.36, 295,174.26 and 123,238.12 is: 170,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,889.36 : 295,174.26 = 123,238.12 : x
  2. Step 2: Convert to fraction form
    213,889.36/295,174.26 = 123,238.12/x
  3. Step 3: Cross multiply
    213,889.36x = 295,174.26 × 123,238.12
  4. Step 4: Simplify right side
    213,889.36x = 36,376,720,874.79
  5. Step 5: Solve for x
    x = 36,376,720,874.79/213,889.36
  6. Step 6: Final answer
    x = 170,072.61

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1.5x scale

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.