Home / 211,180.84-291,450.44-120,550.43

Finding the Fourth Proportional to 211,180.84, 291,450.44 and 120,550.43

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Solution

The fourth proportional to 211,180.84, 291,450.44 and 120,550.43 is: 166,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,180.84 : 291,450.44 = 120,550.43 : x
  2. Step 2: Convert to fraction form
    211,180.84/291,450.44 = 120,550.43/x
  3. Step 3: Cross multiply
    211,180.84x = 291,450.44 × 120,550.43
  4. Step 4: Simplify right side
    211,180.84x = 35,134,475,865.69
  5. Step 5: Solve for x
    x = 35,134,475,865.69/211,180.84
  6. Step 6: Final answer
    x = 166,371.51

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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.