Home / 138,867.59-208,301.68-50,183.73

Finding the Fourth Proportional to 138,867.59, 208,301.68 and 50,183.73

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Solution

The fourth proportional to 138,867.59, 208,301.68 and 50,183.73 is: 75,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,867.59 : 208,301.68 = 50,183.73 : x
  2. Step 2: Convert to fraction form
    138,867.59/208,301.68 = 50,183.73/x
  3. Step 3: Cross multiply
    138,867.59x = 208,301.68 × 50,183.73
  4. Step 4: Simplify right side
    138,867.59x = 10,453,355,267.67
  5. Step 5: Solve for x
    x = 10,453,355,267.67/138,867.59
  6. Step 6: Final answer
    x = 75,275.70

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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.