Home / 135,418.40-203,003.20-46,650.80

Finding the Fourth Proportional to 135,418.40, 203,003.20 and 46,650.80

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Solution

The fourth proportional to 135,418.40, 203,003.20 and 46,650.80 is: 69,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,418.40 : 203,003.20 = 46,650.80 : x
  2. Step 2: Convert to fraction form
    135,418.40/203,003.20 = 46,650.80/x
  3. Step 3: Cross multiply
    135,418.40x = 203,003.20 × 46,650.80
  4. Step 4: Simplify right side
    135,418.40x = 9,470,261,682.56
  5. Step 5: Solve for x
    x = 9,470,261,682.56/135,418.40
  6. Step 6: Final answer
    x = 69,933.34

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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.