Home / 211,480.94-317,120.97-122,761.66

Finding the Fourth Proportional to 211,480.94, 317,120.97 and 122,761.66

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Solution

The fourth proportional to 211,480.94, 317,120.97 and 122,761.66 is: 184,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,480.94 : 317,120.97 = 122,761.66 : x
  2. Step 2: Convert to fraction form
    211,480.94/317,120.97 = 122,761.66/x
  3. Step 3: Cross multiply
    211,480.94x = 317,120.97 × 122,761.66
  4. Step 4: Simplify right side
    211,480.94x = 38,930,296,698.01
  5. Step 5: Solve for x
    x = 38,930,296,698.01/211,480.94
  6. Step 6: Final answer
    x = 184,084.19

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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.