Home / 211,719.88-292,180.26-122,295.88

Finding the Fourth Proportional to 211,719.88, 292,180.26 and 122,295.88

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Solution

The fourth proportional to 211,719.88, 292,180.26 and 122,295.88 is: 168,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,719.88 : 292,180.26 = 122,295.88 : x
  2. Step 2: Convert to fraction form
    211,719.88/292,180.26 = 122,295.88/x
  3. Step 3: Cross multiply
    211,719.88x = 292,180.26 × 122,295.88
  4. Step 4: Simplify right side
    211,719.88x = 35,732,442,015.33
  5. Step 5: Solve for x
    x = 35,732,442,015.33/211,719.88
  6. Step 6: Final answer
    x = 168,772.26

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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.