Home / 90,198.32-124,473.70-49,912.24

Finding the Fourth Proportional to 90,198.32, 124,473.70 and 49,912.24

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Solution

The fourth proportional to 90,198.32, 124,473.70 and 49,912.24 is: 68,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,198.32 : 124,473.70 = 49,912.24 : x
  2. Step 2: Convert to fraction form
    90,198.32/124,473.70 = 49,912.24/x
  3. Step 3: Cross multiply
    90,198.32x = 124,473.70 × 49,912.24
  4. Step 4: Simplify right side
    90,198.32x = 6,212,761,188.09
  5. Step 5: Solve for x
    x = 6,212,761,188.09/90,198.32
  6. Step 6: Final answer
    x = 68,878.90

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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.