Home / 135,905.26-203,899.20-42,411.82

Finding the Fourth Proportional to 135,905.26, 203,899.20 and 42,411.82

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Solution

The fourth proportional to 135,905.26, 203,899.20 and 42,411.82 is: 63,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,905.26 : 203,899.20 = 42,411.82 : x
  2. Step 2: Convert to fraction form
    135,905.26/203,899.20 = 42,411.82/x
  3. Step 3: Cross multiply
    135,905.26x = 203,899.20 × 42,411.82
  4. Step 4: Simplify right side
    135,905.26x = 8,647,736,168.54
  5. Step 5: Solve for x
    x = 8,647,736,168.54/135,905.26
  6. Step 6: Final answer
    x = 63,630.62

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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.