Home / 80,204.58-120,239.20-50,557.06

Finding the Fourth Proportional to 80,204.58, 120,239.20 and 50,557.06

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Solution

The fourth proportional to 80,204.58, 120,239.20 and 50,557.06 is: 75,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,204.58 : 120,239.20 = 50,557.06 : x
  2. Step 2: Convert to fraction form
    80,204.58/120,239.20 = 50,557.06/x
  3. Step 3: Cross multiply
    80,204.58x = 120,239.20 × 50,557.06
  4. Step 4: Simplify right side
    80,204.58x = 6,078,940,448.75
  5. Step 5: Solve for x
    x = 6,078,940,448.75/80,204.58
  6. Step 6: Final answer
    x = 75,792.93

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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.