Home / 138,867.09-208,300.93-50,183.22

Finding the Fourth Proportional to 138,867.09, 208,300.93 and 50,183.22

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Solution

The fourth proportional to 138,867.09, 208,300.93 and 50,183.22 is: 75,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,867.09 : 208,300.93 = 50,183.22 : x
  2. Step 2: Convert to fraction form
    138,867.09/208,300.93 = 50,183.22/x
  3. Step 3: Cross multiply
    138,867.09x = 208,300.93 × 50,183.22
  4. Step 4: Simplify right side
    138,867.09x = 10,453,211,396.39
  5. Step 5: Solve for x
    x = 10,453,211,396.39/138,867.09
  6. Step 6: Final answer
    x = 75,274.94

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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.