Home / 211,180.74-291,450.33-120,550.33

Finding the Fourth Proportional to 211,180.74, 291,450.33 and 120,550.33

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Solution

The fourth proportional to 211,180.74, 291,450.33 and 120,550.33 is: 166,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,180.74 : 291,450.33 = 120,550.33 : x
  2. Step 2: Convert to fraction form
    211,180.74/291,450.33 = 120,550.33/x
  3. Step 3: Cross multiply
    211,180.74x = 291,450.33 × 120,550.33
  4. Step 4: Simplify right side
    211,180.74x = 35,134,431,845.97
  5. Step 5: Solve for x
    x = 35,134,431,845.97/211,180.74
  6. Step 6: Final answer
    x = 166,371.38

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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.