Home / 211,514.85-291,905.34-120,884.22

Finding the Fourth Proportional to 211,514.85, 291,905.34 and 120,884.22

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Solution

The fourth proportional to 211,514.85, 291,905.34 and 120,884.22 is: 166,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514.85 : 291,905.34 = 120,884.22 : x
  2. Step 2: Convert to fraction form
    211,514.85/291,905.34 = 120,884.22/x
  3. Step 3: Cross multiply
    211,514.85x = 291,905.34 × 120,884.22
  4. Step 4: Simplify right side
    211,514.85x = 35,286,749,339.73
  5. Step 5: Solve for x
    x = 35,286,749,339.73/211,514.85
  6. Step 6: Final answer
    x = 166,828.71

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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.