Home / 138,918.08-208,253.34-50,151.82

Finding the Fourth Proportional to 138,918.08, 208,253.34 and 50,151.82

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Solution

The fourth proportional to 138,918.08, 208,253.34 and 50,151.82 is: 75,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,918.08 : 208,253.34 = 50,151.82 : x
  2. Step 2: Convert to fraction form
    138,918.08/208,253.34 = 50,151.82/x
  3. Step 3: Cross multiply
    138,918.08x = 208,253.34 × 50,151.82
  4. Step 4: Simplify right side
    138,918.08x = 10,444,284,022.08
  5. Step 5: Solve for x
    x = 10,444,284,022.08/138,918.08
  6. Step 6: Final answer
    x = 75,183.04

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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.