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Finding the Fourth Proportional to 85,297.74, 127,960.92 and 26,119.14

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Solution

The fourth proportional to 85,297.74, 127,960.92 and 26,119.14 is: 39,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.74 : 127,960.92 = 26,119.14 : x
  2. Step 2: Convert to fraction form
    85,297.74/127,960.92 = 26,119.14/x
  3. Step 3: Cross multiply
    85,297.74x = 127,960.92 × 26,119.14
  4. Step 4: Simplify right side
    85,297.74x = 3,342,229,184.01
  5. Step 5: Solve for x
    x = 3,342,229,184.01/85,297.74
  6. Step 6: Final answer
    x = 39,183.09

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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.