Home / 87,119.97-130,664.34-23,078.54

Finding the Fourth Proportional to 87,119.97, 130,664.34 and 23,078.54

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Solution

The fourth proportional to 87,119.97, 130,664.34 and 23,078.54 is: 34,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.97 : 130,664.34 = 23,078.54 : x
  2. Step 2: Convert to fraction form
    87,119.97/130,664.34 = 23,078.54/x
  3. Step 3: Cross multiply
    87,119.97x = 130,664.34 × 23,078.54
  4. Step 4: Simplify right side
    87,119.97x = 3,015,542,197.26
  5. Step 5: Solve for x
    x = 3,015,542,197.26/87,119.97
  6. Step 6: Final answer
    x = 34,613.67

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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.