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Finding the Fourth Proportional to 161,336.92, 222,650.34 and 88,742.88

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Solution

The fourth proportional to 161,336.92, 222,650.34 and 88,742.88 is: 122,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,336.92 : 222,650.34 = 88,742.88 : x
  2. Step 2: Convert to fraction form
    161,336.92/222,650.34 = 88,742.88/x
  3. Step 3: Cross multiply
    161,336.92x = 222,650.34 × 88,742.88
  4. Step 4: Simplify right side
    161,336.92x = 19,758,632,404.58
  5. Step 5: Solve for x
    x = 19,758,632,404.58/161,336.92
  6. Step 6: Final answer
    x = 122,468.14

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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.