Home / 90,451.14-124,830.24-50,177.88

Finding the Fourth Proportional to 90,451.14, 124,830.24 and 50,177.88

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Solution

The fourth proportional to 90,451.14, 124,830.24 and 50,177.88 is: 69,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,451.14 : 124,830.24 = 50,177.88 : x
  2. Step 2: Convert to fraction form
    90,451.14/124,830.24 = 50,177.88/x
  3. Step 3: Cross multiply
    90,451.14x = 124,830.24 × 50,177.88
  4. Step 4: Simplify right side
    90,451.14x = 6,263,716,803.09
  5. Step 5: Solve for x
    x = 6,263,716,803.09/90,451.14
  6. Step 6: Final answer
    x = 69,249.73

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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.