Home / 224,359.76-309,618.12-123,761.36

Finding the Fourth Proportional to 224,359.76, 309,618.12 and 123,761.36

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Solution

The fourth proportional to 224,359.76, 309,618.12 and 123,761.36 is: 170,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,359.76 : 309,618.12 = 123,761.36 : x
  2. Step 2: Convert to fraction form
    224,359.76/309,618.12 = 123,761.36/x
  3. Step 3: Cross multiply
    224,359.76x = 309,618.12 × 123,761.36
  4. Step 4: Simplify right side
    224,359.76x = 38,318,759,611.84
  5. Step 5: Solve for x
    x = 38,318,759,611.84/224,359.76
  6. Step 6: Final answer
    x = 170,791.59

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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.