Home / 224,179.30-309,363.20-122,205.70

Finding the Fourth Proportional to 224,179.30, 309,363.20 and 122,205.70

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Solution

The fourth proportional to 224,179.30, 309,363.20 and 122,205.70 is: 168,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,179.30 : 309,363.20 = 122,205.70 : x
  2. Step 2: Convert to fraction form
    224,179.30/309,363.20 = 122,205.70/x
  3. Step 3: Cross multiply
    224,179.30x = 309,363.20 × 122,205.70
  4. Step 4: Simplify right side
    224,179.30x = 37,805,946,410.24
  5. Step 5: Solve for x
    x = 37,805,946,410.24/224,179.30
  6. Step 6: Final answer
    x = 168,641.56

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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.