Home / 138,816.79-208,247.05-50,092.02

Finding the Fourth Proportional to 138,816.79, 208,247.05 and 50,092.02

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Solution

The fourth proportional to 138,816.79, 208,247.05 and 50,092.02 is: 75,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,816.79 : 208,247.05 = 50,092.02 : x
  2. Step 2: Convert to fraction form
    138,816.79/208,247.05 = 50,092.02/x
  3. Step 3: Cross multiply
    138,816.79x = 208,247.05 × 50,092.02
  4. Step 4: Simplify right side
    138,816.79x = 10,431,515,456.16
  5. Step 5: Solve for x
    x = 10,431,515,456.16/138,816.79
  6. Step 6: Final answer
    x = 75,145.92

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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.