Home / 211,469.74-291,843.68-120,823.76

Finding the Fourth Proportional to 211,469.74, 291,843.68 and 120,823.76

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Solution

The fourth proportional to 211,469.74, 291,843.68 and 120,823.76 is: 166,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,469.74 : 291,843.68 = 120,823.76 : x
  2. Step 2: Convert to fraction form
    211,469.74/291,843.68 = 120,823.76/x
  3. Step 3: Cross multiply
    211,469.74x = 291,843.68 × 120,823.76
  4. Step 4: Simplify right side
    211,469.74x = 35,261,650,875.33
  5. Step 5: Solve for x
    x = 35,261,650,875.33/211,469.74
  6. Step 6: Final answer
    x = 166,745.61

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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.