Home / 139,188.24-208,893.04-50,467.12

Finding the Fourth Proportional to 139,188.24, 208,893.04 and 50,467.12

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Solution

The fourth proportional to 139,188.24, 208,893.04 and 50,467.12 is: 75,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,188.24 : 208,893.04 = 50,467.12 : x
  2. Step 2: Convert to fraction form
    139,188.24/208,893.04 = 50,467.12/x
  3. Step 3: Cross multiply
    139,188.24x = 208,893.04 × 50,467.12
  4. Step 4: Simplify right side
    139,188.24x = 10,542,230,116.84
  5. Step 5: Solve for x
    x = 10,542,230,116.84/139,188.24
  6. Step 6: Final answer
    x = 75,740.81

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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.