Home / 211,467.63-291,778.07-120,794.61

Finding the Fourth Proportional to 211,467.63, 291,778.07 and 120,794.61

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Solution

The fourth proportional to 211,467.63, 291,778.07 and 120,794.61 is: 166,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467.63 : 291,778.07 = 120,794.61 : x
  2. Step 2: Convert to fraction form
    211,467.63/291,778.07 = 120,794.61/x
  3. Step 3: Cross multiply
    211,467.63x = 291,778.07 × 120,794.61
  4. Step 4: Simplify right side
    211,467.63x = 35,245,218,172.20
  5. Step 5: Solve for x
    x = 35,245,218,172.20/211,467.63
  6. Step 6: Final answer
    x = 166,669.57

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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.