Home / 90,789.35-136,184.99-27,619.76

Finding the Fourth Proportional to 90,789.35, 136,184.99 and 27,619.76

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Solution

The fourth proportional to 90,789.35, 136,184.99 and 27,619.76 is: 41,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,789.35 : 136,184.99 = 27,619.76 : x
  2. Step 2: Convert to fraction form
    90,789.35/136,184.99 = 27,619.76/x
  3. Step 3: Cross multiply
    90,789.35x = 136,184.99 × 27,619.76
  4. Step 4: Simplify right side
    90,789.35x = 3,761,396,601.30
  5. Step 5: Solve for x
    x = 3,761,396,601.30/90,789.35
  6. Step 6: Final answer
    x = 41,429.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.