Home / 90,464.76-124,843.37-50,177.21

Finding the Fourth Proportional to 90,464.76, 124,843.37 and 50,177.21

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Solution

The fourth proportional to 90,464.76, 124,843.37 and 50,177.21 is: 69,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,464.76 : 124,843.37 = 50,177.21 : x
  2. Step 2: Convert to fraction form
    90,464.76/124,843.37 = 50,177.21/x
  3. Step 3: Cross multiply
    90,464.76x = 124,843.37 × 50,177.21
  4. Step 4: Simplify right side
    90,464.76x = 6,264,291,118.49
  5. Step 5: Solve for x
    x = 6,264,291,118.49/90,464.76
  6. Step 6: Final answer
    x = 69,245.65

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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.