Home / 138,867.42-208,301.40-50,183.54

Finding the Fourth Proportional to 138,867.42, 208,301.40 and 50,183.54

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Solution

The fourth proportional to 138,867.42, 208,301.40 and 50,183.54 is: 75,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,867.42 : 208,301.40 = 50,183.54 : x
  2. Step 2: Convert to fraction form
    138,867.42/208,301.40 = 50,183.54/x
  3. Step 3: Cross multiply
    138,867.42x = 208,301.40 × 50,183.54
  4. Step 4: Simplify right side
    138,867.42x = 10,453,300,597.45
  5. Step 5: Solve for x
    x = 10,453,300,597.45/138,867.42
  6. Step 6: Final answer
    x = 75,275.40

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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.