Home / 211,027.67-291,245.91-120,362.85

Finding the Fourth Proportional to 211,027.67, 291,245.91 and 120,362.85

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Solution

The fourth proportional to 211,027.67, 291,245.91 and 120,362.85 is: 166,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,027.67 : 291,245.91 = 120,362.85 : x
  2. Step 2: Convert to fraction form
    211,027.67/291,245.91 = 120,362.85/x
  3. Step 3: Cross multiply
    211,027.67x = 291,245.91 × 120,362.85
  4. Step 4: Simplify right side
    211,027.67x = 35,055,187,137.63
  5. Step 5: Solve for x
    x = 35,055,187,137.63/211,027.67
  6. Step 6: Final answer
    x = 166,116.55

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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.