Home / 90,164.26-135,258.69-37,561.44

Finding the Fourth Proportional to 90,164.26, 135,258.69 and 37,561.44

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Solution

The fourth proportional to 90,164.26, 135,258.69 and 37,561.44 is: 56,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,164.26 : 135,258.69 = 37,561.44 : x
  2. Step 2: Convert to fraction form
    90,164.26/135,258.69 = 37,561.44/x
  3. Step 3: Cross multiply
    90,164.26x = 135,258.69 × 37,561.44
  4. Step 4: Simplify right side
    90,164.26x = 5,080,511,168.91
  5. Step 5: Solve for x
    x = 5,080,511,168.91/90,164.26
  6. Step 6: Final answer
    x = 56,347.29

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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.