Home / 90,478.54-124,860.24-50,198.44

Finding the Fourth Proportional to 90,478.54, 124,860.24 and 50,198.44

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Solution

The fourth proportional to 90,478.54, 124,860.24 and 50,198.44 is: 69,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,478.54 : 124,860.24 = 50,198.44 : x
  2. Step 2: Convert to fraction form
    90,478.54/124,860.24 = 50,198.44/x
  3. Step 3: Cross multiply
    90,478.54x = 124,860.24 × 50,198.44
  4. Step 4: Simplify right side
    90,478.54x = 6,267,789,266.03
  5. Step 5: Solve for x
    x = 6,267,789,266.03/90,478.54
  6. Step 6: Final answer
    x = 69,273.77

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1.5x scale

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.