Home / 203,420.24-305,133.28-63,170

Finding the Fourth Proportional to 203,420.24, 305,133.28 and 63,170

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Solution

The fourth proportional to 203,420.24, 305,133.28 and 63,170 is: 94,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,420.24 : 305,133.28 = 63,170 : x
  2. Step 2: Convert to fraction form
    203,420.24/305,133.28 = 63,170/x
  3. Step 3: Cross multiply
    203,420.24x = 305,133.28 × 63,170
  4. Step 4: Simplify right side
    203,420.24x = 19,275,269,297.60
  5. Step 5: Solve for x
    x = 19,275,269,297.60/203,420.24
  6. Step 6: Final answer
    x = 94,755.91

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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.