Home / 87,292.44-130,951.32-28,108.44

Finding the Fourth Proportional to 87,292.44, 130,951.32 and 28,108.44

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Solution

The fourth proportional to 87,292.44, 130,951.32 and 28,108.44 is: 42,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,292.44 : 130,951.32 = 28,108.44 : x
  2. Step 2: Convert to fraction form
    87,292.44/130,951.32 = 28,108.44/x
  3. Step 3: Cross multiply
    87,292.44x = 130,951.32 × 28,108.44
  4. Step 4: Simplify right side
    87,292.44x = 3,680,837,321.14
  5. Step 5: Solve for x
    x = 3,680,837,321.14/87,292.44
  6. Step 6: Final answer
    x = 42,166.74

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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.