Home / 203,826.82-305,794.45-70,706.87

Finding the Fourth Proportional to 203,826.82, 305,794.45 and 70,706.87

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Solution

The fourth proportional to 203,826.82, 305,794.45 and 70,706.87 is: 106,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,826.82 : 305,794.45 = 70,706.87 : x
  2. Step 2: Convert to fraction form
    203,826.82/305,794.45 = 70,706.87/x
  3. Step 3: Cross multiply
    203,826.82x = 305,794.45 × 70,706.87
  4. Step 4: Simplify right side
    203,826.82x = 21,621,766,717.13
  5. Step 5: Solve for x
    x = 21,621,766,717.13/203,826.82
  6. Step 6: Final answer
    x = 106,079.11

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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.