Home / 222,116.13-306,520.46-121,514.13

Finding the Fourth Proportional to 222,116.13, 306,520.46 and 121,514.13

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Solution

The fourth proportional to 222,116.13, 306,520.46 and 121,514.13 is: 167,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,116.13 : 306,520.46 = 121,514.13 : x
  2. Step 2: Convert to fraction form
    222,116.13/306,520.46 = 121,514.13/x
  3. Step 3: Cross multiply
    222,116.13x = 306,520.46 × 121,514.13
  4. Step 4: Simplify right side
    222,116.13x = 37,246,567,024.10
  5. Step 5: Solve for x
    x = 37,246,567,024.10/222,116.13
  6. Step 6: Final answer
    x = 167,689.61

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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.