Home / 203,829.18-305,797.99-70,709.22

Finding the Fourth Proportional to 203,829.18, 305,797.99 and 70,709.22

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Solution

The fourth proportional to 203,829.18, 305,797.99 and 70,709.22 is: 106,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,829.18 : 305,797.99 = 70,709.22 : x
  2. Step 2: Convert to fraction form
    203,829.18/305,797.99 = 70,709.22/x
  3. Step 3: Cross multiply
    203,829.18x = 305,797.99 × 70,709.22
  4. Step 4: Simplify right side
    203,829.18x = 21,622,736,409.20
  5. Step 5: Solve for x
    x = 21,622,736,409.20/203,829.18
  6. Step 6: Final answer
    x = 106,082.64

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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.