Home / 224,082.18-309,230.60-122,112.09

Finding the Fourth Proportional to 224,082.18, 309,230.60 and 122,112.09

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Solution

The fourth proportional to 224,082.18, 309,230.60 and 122,112.09 is: 168,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,082.18 : 309,230.60 = 122,112.09 : x
  2. Step 2: Convert to fraction form
    224,082.18/309,230.60 = 122,112.09/x
  3. Step 3: Cross multiply
    224,082.18x = 309,230.60 × 122,112.09
  4. Step 4: Simplify right side
    224,082.18x = 37,760,794,247.39
  5. Step 5: Solve for x
    x = 37,760,794,247.39/224,082.18
  6. Step 6: Final answer
    x = 168,513.15

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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.