Home / 90,297.28-135,467.60-27,967.76

Finding the Fourth Proportional to 90,297.28, 135,467.60 and 27,967.76

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Solution

The fourth proportional to 90,297.28, 135,467.60 and 27,967.76 is: 41,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.28 : 135,467.60 = 27,967.76 : x
  2. Step 2: Convert to fraction form
    90,297.28/135,467.60 = 27,967.76/x
  3. Step 3: Cross multiply
    90,297.28x = 135,467.60 × 27,967.76
  4. Step 4: Simplify right side
    90,297.28x = 3,788,725,324.58
  5. Step 5: Solve for x
    x = 3,788,725,324.58/90,297.28
  6. Step 6: Final answer
    x = 41,958.35

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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.