Home / 90,508.24-135,709.44-27,309.40

Finding the Fourth Proportional to 90,508.24, 135,709.44 and 27,309.40

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Solution

The fourth proportional to 90,508.24, 135,709.44 and 27,309.40 is: 40,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,508.24 : 135,709.44 = 27,309.40 : x
  2. Step 2: Convert to fraction form
    90,508.24/135,709.44 = 27,309.40/x
  3. Step 3: Cross multiply
    90,508.24x = 135,709.44 × 27,309.40
  4. Step 4: Simplify right side
    90,508.24x = 3,706,143,380.74
  5. Step 5: Solve for x
    x = 3,706,143,380.74/90,508.24
  6. Step 6: Final answer
    x = 40,948.13

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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.