Home / 87,137.01-120,249.14-49,411.26

Finding the Fourth Proportional to 87,137.01, 120,249.14 and 49,411.26

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Solution

The fourth proportional to 87,137.01, 120,249.14 and 49,411.26 is: 68,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137.01 : 120,249.14 = 49,411.26 : x
  2. Step 2: Convert to fraction form
    87,137.01/120,249.14 = 49,411.26/x
  3. Step 3: Cross multiply
    87,137.01x = 120,249.14 × 49,411.26
  4. Step 4: Simplify right side
    87,137.01x = 5,941,661,274.26
  5. Step 5: Solve for x
    x = 5,941,661,274.26/87,137.01
  6. Step 6: Final answer
    x = 68,187.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.