Home / 138,851.50-208,234.19-50,093.47

Finding the Fourth Proportional to 138,851.50, 208,234.19 and 50,093.47

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Solution

The fourth proportional to 138,851.50, 208,234.19 and 50,093.47 is: 75,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,851.50 : 208,234.19 = 50,093.47 : x
  2. Step 2: Convert to fraction form
    138,851.50/208,234.19 = 50,093.47/x
  3. Step 3: Cross multiply
    138,851.50x = 208,234.19 × 50,093.47
  4. Step 4: Simplify right side
    138,851.50x = 10,431,173,535.27
  5. Step 5: Solve for x
    x = 10,431,173,535.27/138,851.50
  6. Step 6: Final answer
    x = 75,124.67

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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.