Home / 254,152.35-381,105.41-76,626.27

Finding the Fourth Proportional to 254,152.35, 381,105.41 and 76,626.27

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Solution

The fourth proportional to 254,152.35, 381,105.41 and 76,626.27 is: 114,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,152.35 : 381,105.41 = 76,626.27 : x
  2. Step 2: Convert to fraction form
    254,152.35/381,105.41 = 76,626.27/x
  3. Step 3: Cross multiply
    254,152.35x = 381,105.41 × 76,626.27
  4. Step 4: Simplify right side
    254,152.35x = 29,202,685,661.99
  5. Step 5: Solve for x
    x = 29,202,685,661.99/254,152.35
  6. Step 6: Final answer
    x = 114,902.28

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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.