Home / 87,198.43-130,809.95-28,014.26

Finding the Fourth Proportional to 87,198.43, 130,809.95 and 28,014.26

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Solution

The fourth proportional to 87,198.43, 130,809.95 and 28,014.26 is: 42,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,198.43 : 130,809.95 = 28,014.26 : x
  2. Step 2: Convert to fraction form
    87,198.43/130,809.95 = 28,014.26/x
  3. Step 3: Cross multiply
    87,198.43x = 130,809.95 × 28,014.26
  4. Step 4: Simplify right side
    87,198.43x = 3,664,543,949.89
  5. Step 5: Solve for x
    x = 3,664,543,949.89/87,198.43
  6. Step 6: Final answer
    x = 42,025.34

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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.