Home / 222,945.21-334,416.92-80,757.23

Finding the Fourth Proportional to 222,945.21, 334,416.92 and 80,757.23

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Solution

The fourth proportional to 222,945.21, 334,416.92 and 80,757.23 is: 121,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,945.21 : 334,416.92 = 80,757.23 : x
  2. Step 2: Convert to fraction form
    222,945.21/334,416.92 = 80,757.23/x
  3. Step 3: Cross multiply
    222,945.21x = 334,416.92 × 80,757.23
  4. Step 4: Simplify right side
    222,945.21x = 27,006,582,048.46
  5. Step 5: Solve for x
    x = 27,006,582,048.46/222,945.21
  6. Step 6: Final answer
    x = 121,135.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.