Home / 87,147.99-130,708.30-23,972.85

Finding the Fourth Proportional to 87,147.99, 130,708.30 and 23,972.85

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Solution

The fourth proportional to 87,147.99, 130,708.30 and 23,972.85 is: 35,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,147.99 : 130,708.30 = 23,972.85 : x
  2. Step 2: Convert to fraction form
    87,147.99/130,708.30 = 23,972.85/x
  3. Step 3: Cross multiply
    87,147.99x = 130,708.30 × 23,972.85
  4. Step 4: Simplify right side
    87,147.99x = 3,133,450,469.66
  5. Step 5: Solve for x
    x = 3,133,450,469.66/87,147.99
  6. Step 6: Final answer
    x = 35,955.51

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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.