Home / 90,177.62-135,137.03-50,651.60

Finding the Fourth Proportional to 90,177.62, 135,137.03 and 50,651.60

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Solution

The fourth proportional to 90,177.62, 135,137.03 and 50,651.60 is: 75,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,177.62 : 135,137.03 = 50,651.60 : x
  2. Step 2: Convert to fraction form
    90,177.62/135,137.03 = 50,651.60/x
  3. Step 3: Cross multiply
    90,177.62x = 135,137.03 × 50,651.60
  4. Step 4: Simplify right side
    90,177.62x = 6,844,905,859.80
  5. Step 5: Solve for x
    x = 6,844,905,859.80/90,177.62
  6. Step 6: Final answer
    x = 75,904.71

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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.