Home / 139,579.70-192,622.44-75,917.94

Finding the Fourth Proportional to 139,579.70, 192,622.44 and 75,917.94

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Solution

The fourth proportional to 139,579.70, 192,622.44 and 75,917.94 is: 104,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,579.70 : 192,622.44 = 75,917.94 : x
  2. Step 2: Convert to fraction form
    139,579.70/192,622.44 = 75,917.94/x
  3. Step 3: Cross multiply
    139,579.70x = 192,622.44 × 75,917.94
  4. Step 4: Simplify right side
    139,579.70x = 14,623,498,842.57
  5. Step 5: Solve for x
    x = 14,623,498,842.57/139,579.70
  6. Step 6: Final answer
    x = 104,768.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.