Home / 211,982.68-292,519.38-121,340.44

Finding the Fourth Proportional to 211,982.68, 292,519.38 and 121,340.44

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Solution

The fourth proportional to 211,982.68, 292,519.38 and 121,340.44 is: 167,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,982.68 : 292,519.38 = 121,340.44 : x
  2. Step 2: Convert to fraction form
    211,982.68/292,519.38 = 121,340.44/x
  3. Step 3: Cross multiply
    211,982.68x = 292,519.38 × 121,340.44
  4. Step 4: Simplify right side
    211,982.68x = 35,494,430,277.73
  5. Step 5: Solve for x
    x = 35,494,430,277.73/211,982.68
  6. Step 6: Final answer
    x = 167,440.24

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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.