Home / 212,691.20-293,514.72-117,193.28

Finding the Fourth Proportional to 212,691.20, 293,514.72 and 117,193.28

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Solution

The fourth proportional to 212,691.20, 293,514.72 and 117,193.28 is: 161,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,691.20 : 293,514.72 = 117,193.28 : x
  2. Step 2: Convert to fraction form
    212,691.20/293,514.72 = 117,193.28/x
  3. Step 3: Cross multiply
    212,691.20x = 293,514.72 × 117,193.28
  4. Step 4: Simplify right side
    212,691.20x = 34,397,952,765.08
  5. Step 5: Solve for x
    x = 34,397,952,765.08/212,691.20
  6. Step 6: Final answer
    x = 161,727.20

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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.