Home / 224,098.50-309,246.94-122,121.79

Finding the Fourth Proportional to 224,098.50, 309,246.94 and 122,121.79

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Solution

The fourth proportional to 224,098.50, 309,246.94 and 122,121.79 is: 168,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,098.50 : 309,246.94 = 122,121.79 : x
  2. Step 2: Convert to fraction form
    224,098.50/309,246.94 = 122,121.79/x
  3. Step 3: Cross multiply
    224,098.50x = 309,246.94 × 122,121.79
  4. Step 4: Simplify right side
    224,098.50x = 37,765,789,244.36
  5. Step 5: Solve for x
    x = 37,765,789,244.36/224,098.50
  6. Step 6: Final answer
    x = 168,523.17

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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.