Home / 90,113.56-135,161.70-27,767.32

Finding the Fourth Proportional to 90,113.56, 135,161.70 and 27,767.32

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Solution

The fourth proportional to 90,113.56, 135,161.70 and 27,767.32 is: 41,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,113.56 : 135,161.70 = 27,767.32 : x
  2. Step 2: Convert to fraction form
    90,113.56/135,161.70 = 27,767.32/x
  3. Step 3: Cross multiply
    90,113.56x = 135,161.70 × 27,767.32
  4. Step 4: Simplify right side
    90,113.56x = 3,753,078,175.64
  5. Step 5: Solve for x
    x = 3,753,078,175.64/90,113.56
  6. Step 6: Final answer
    x = 41,648.32

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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.