Home / 212,514.97-293,270.66-117,021.44

Finding the Fourth Proportional to 212,514.97, 293,270.66 and 117,021.44

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Solution

The fourth proportional to 212,514.97, 293,270.66 and 117,021.44 is: 161,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,514.97 : 293,270.66 = 117,021.44 : x
  2. Step 2: Convert to fraction form
    212,514.97/293,270.66 = 117,021.44/x
  3. Step 3: Cross multiply
    212,514.97x = 293,270.66 × 117,021.44
  4. Step 4: Simplify right side
    212,514.97x = 34,318,952,891.49
  5. Step 5: Solve for x
    x = 34,318,952,891.49/212,514.97
  6. Step 6: Final answer
    x = 161,489.58

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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.