Home / 224,519.50-309,837.32-123,917.50

Finding the Fourth Proportional to 224,519.50, 309,837.32 and 123,917.50

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Solution

The fourth proportional to 224,519.50, 309,837.32 and 123,917.50 is: 171,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,519.50 : 309,837.32 = 123,917.50 : x
  2. Step 2: Convert to fraction form
    224,519.50/309,837.32 = 123,917.50/x
  3. Step 3: Cross multiply
    224,519.50x = 309,837.32 × 123,917.50
  4. Step 4: Simplify right side
    224,519.50x = 38,394,266,101.10
  5. Step 5: Solve for x
    x = 38,394,266,101.10/224,519.50
  6. Step 6: Final answer
    x = 171,006.38

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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.