Home / 224,623.83-309,993.42-122,658.78

Finding the Fourth Proportional to 224,623.83, 309,993.42 and 122,658.78

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Solution

The fourth proportional to 224,623.83, 309,993.42 and 122,658.78 is: 169,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,623.83 : 309,993.42 = 122,658.78 : x
  2. Step 2: Convert to fraction form
    224,623.83/309,993.42 = 122,658.78/x
  3. Step 3: Cross multiply
    224,623.83x = 309,993.42 × 122,658.78
  4. Step 4: Simplify right side
    224,623.83x = 38,023,414,705.23
  5. Step 5: Solve for x
    x = 38,023,414,705.23/224,623.83
  6. Step 6: Final answer
    x = 169,275.96

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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.