Home / 190,752.72-263,229.36-104,709.60

Finding the Fourth Proportional to 190,752.72, 263,229.36 and 104,709.60

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Solution

The fourth proportional to 190,752.72, 263,229.36 and 104,709.60 is: 144,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,752.72 : 263,229.36 = 104,709.60 : x
  2. Step 2: Convert to fraction form
    190,752.72/263,229.36 = 104,709.60/x
  3. Step 3: Cross multiply
    190,752.72x = 263,229.36 × 104,709.60
  4. Step 4: Simplify right side
    190,752.72x = 27,562,640,993.86
  5. Step 5: Solve for x
    x = 27,562,640,993.86/190,752.72
  6. Step 6: Final answer
    x = 144,494.09

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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.