Home / 90,310.95-135,467.79-34,177.49

Finding the Fourth Proportional to 90,310.95, 135,467.79 and 34,177.49

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Solution

The fourth proportional to 90,310.95, 135,467.79 and 34,177.49 is: 51,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,310.95 : 135,467.79 = 34,177.49 : x
  2. Step 2: Convert to fraction form
    90,310.95/135,467.79 = 34,177.49/x
  3. Step 3: Cross multiply
    90,310.95x = 135,467.79 × 34,177.49
  4. Step 4: Simplify right side
    90,310.95x = 4,629,949,694.80
  5. Step 5: Solve for x
    x = 4,629,949,694.80/90,310.95
  6. Step 6: Final answer
    x = 51,266.76

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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.