Home / 203,983.72-305,975.53-63,742.35

Finding the Fourth Proportional to 203,983.72, 305,975.53 and 63,742.35

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Solution

The fourth proportional to 203,983.72, 305,975.53 and 63,742.35 is: 95,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,983.72 : 305,975.53 = 63,742.35 : x
  2. Step 2: Convert to fraction form
    203,983.72/305,975.53 = 63,742.35/x
  3. Step 3: Cross multiply
    203,983.72x = 305,975.53 × 63,742.35
  4. Step 4: Simplify right side
    203,983.72x = 19,503,599,324.70
  5. Step 5: Solve for x
    x = 19,503,599,324.70/203,983.72
  6. Step 6: Final answer
    x = 95,613.51

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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.