Home / 222,682.68-307,321.44-122,100.12

Finding the Fourth Proportional to 222,682.68, 307,321.44 and 122,100.12

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Solution

The fourth proportional to 222,682.68, 307,321.44 and 122,100.12 is: 168,508.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,682.68 : 307,321.44 = 122,100.12 : x
  2. Step 2: Convert to fraction form
    222,682.68/307,321.44 = 122,100.12/x
  3. Step 3: Cross multiply
    222,682.68x = 307,321.44 × 122,100.12
  4. Step 4: Simplify right side
    222,682.68x = 37,523,984,702.57
  5. Step 5: Solve for x
    x = 37,523,984,702.57/222,682.68
  6. Step 6: Final answer
    x = 168,508.77

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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.