Home / 90,370.35-135,425.67-50,843.97

Finding the Fourth Proportional to 90,370.35, 135,425.67 and 50,843.97

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Solution

The fourth proportional to 90,370.35, 135,425.67 and 50,843.97 is: 76,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370.35 : 135,425.67 = 50,843.97 : x
  2. Step 2: Convert to fraction form
    90,370.35/135,425.67 = 50,843.97/x
  3. Step 3: Cross multiply
    90,370.35x = 135,425.67 × 50,843.97
  4. Step 4: Simplify right side
    90,370.35x = 6,885,579,210.56
  5. Step 5: Solve for x
    x = 6,885,579,210.56/90,370.35
  6. Step 6: Final answer
    x = 76,192.90

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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.