Home / 224,217.68-309,420.23-122,243.13

Finding the Fourth Proportional to 224,217.68, 309,420.23 and 122,243.13

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Solution

The fourth proportional to 224,217.68, 309,420.23 and 122,243.13 is: 168,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,217.68 : 309,420.23 = 122,243.13 : x
  2. Step 2: Convert to fraction form
    224,217.68/309,420.23 = 122,243.13/x
  3. Step 3: Cross multiply
    224,217.68x = 309,420.23 × 122,243.13
  4. Step 4: Simplify right side
    224,217.68x = 37,824,496,789.30
  5. Step 5: Solve for x
    x = 37,824,496,789.30/224,217.68
  6. Step 6: Final answer
    x = 168,695.43

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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.