Home / 135,883.10-203,824.68-42,388.85

Finding the Fourth Proportional to 135,883.10, 203,824.68 and 42,388.85

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Solution

The fourth proportional to 135,883.10, 203,824.68 and 42,388.85 is: 63,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,883.10 : 203,824.68 = 42,388.85 : x
  2. Step 2: Convert to fraction form
    135,883.10/203,824.68 = 42,388.85/x
  3. Step 3: Cross multiply
    135,883.10x = 203,824.68 × 42,388.85
  4. Step 4: Simplify right side
    135,883.10x = 8,639,893,786.82
  5. Step 5: Solve for x
    x = 8,639,893,786.82/135,883.10
  6. Step 6: Final answer
    x = 63,583.28

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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.