Home / 224,157.76-309,335.68-122,183.20

Finding the Fourth Proportional to 224,157.76, 309,335.68 and 122,183.20

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Solution

The fourth proportional to 224,157.76, 309,335.68 and 122,183.20 is: 168,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,157.76 : 309,335.68 = 122,183.20 : x
  2. Step 2: Convert to fraction form
    224,157.76/309,335.68 = 122,183.20/x
  3. Step 3: Cross multiply
    224,157.76x = 309,335.68 × 122,183.20
  4. Step 4: Simplify right side
    224,157.76x = 37,795,623,256.58
  5. Step 5: Solve for x
    x = 37,795,623,256.58/224,157.76
  6. Step 6: Final answer
    x = 168,611.71

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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.