Home / 139,224.97-208,837.20-50,478.33

Finding the Fourth Proportional to 139,224.97, 208,837.20 and 50,478.33

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Solution

The fourth proportional to 139,224.97, 208,837.20 and 50,478.33 is: 75,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,224.97 : 208,837.20 = 50,478.33 : x
  2. Step 2: Convert to fraction form
    139,224.97/208,837.20 = 50,478.33/x
  3. Step 3: Cross multiply
    139,224.97x = 208,837.20 × 50,478.33
  4. Step 4: Simplify right side
    139,224.97x = 10,541,753,097.88
  5. Step 5: Solve for x
    x = 10,541,753,097.88/139,224.97
  6. Step 6: Final answer
    x = 75,717.40

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1.5x scale

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.