Home / 138,851.56-208,234.29-50,093.53

Finding the Fourth Proportional to 138,851.56, 208,234.29 and 50,093.53

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Solution

The fourth proportional to 138,851.56, 208,234.29 and 50,093.53 is: 75,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,851.56 : 208,234.29 = 50,093.53 : x
  2. Step 2: Convert to fraction form
    138,851.56/208,234.29 = 50,093.53/x
  3. Step 3: Cross multiply
    138,851.56x = 208,234.29 × 50,093.53
  4. Step 4: Simplify right side
    138,851.56x = 10,431,190,653.14
  5. Step 5: Solve for x
    x = 10,431,190,653.14/138,851.56
  6. Step 6: Final answer
    x = 75,124.76

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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.