Home / 87,219.10-130,745.62-28,013.27

Finding the Fourth Proportional to 87,219.10, 130,745.62 and 28,013.27

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Solution

The fourth proportional to 87,219.10, 130,745.62 and 28,013.27 is: 41,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,219.10 : 130,745.62 = 28,013.27 : x
  2. Step 2: Convert to fraction form
    87,219.10/130,745.62 = 28,013.27/x
  3. Step 3: Cross multiply
    87,219.10x = 130,745.62 × 28,013.27
  4. Step 4: Simplify right side
    87,219.10x = 3,662,612,024.60
  5. Step 5: Solve for x
    x = 3,662,612,024.60/87,219.10
  6. Step 6: Final answer
    x = 41,993.23

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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.