Home / 224,108.15-309,260.23-122,131.43

Finding the Fourth Proportional to 224,108.15, 309,260.23 and 122,131.43

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Solution

The fourth proportional to 224,108.15, 309,260.23 and 122,131.43 is: 168,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,108.15 : 309,260.23 = 122,131.43 : x
  2. Step 2: Convert to fraction form
    224,108.15/309,260.23 = 122,131.43/x
  3. Step 3: Cross multiply
    224,108.15x = 309,260.23 × 122,131.43
  4. Step 4: Simplify right side
    224,108.15x = 37,770,394,132.03
  5. Step 5: Solve for x
    x = 37,770,394,132.03/224,108.15
  6. Step 6: Final answer
    x = 168,536.46

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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.