Home / 90,334.63-135,474.94-27,137.85

Finding the Fourth Proportional to 90,334.63, 135,474.94 and 27,137.85

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Solution

The fourth proportional to 90,334.63, 135,474.94 and 27,137.85 is: 40,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.63 : 135,474.94 = 27,137.85 : x
  2. Step 2: Convert to fraction form
    90,334.63/135,474.94 = 27,137.85/x
  3. Step 3: Cross multiply
    90,334.63x = 135,474.94 × 27,137.85
  4. Step 4: Simplify right side
    90,334.63x = 3,676,498,600.48
  5. Step 5: Solve for x
    x = 3,676,498,600.48/90,334.63
  6. Step 6: Final answer
    x = 40,698.66

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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.