Home / 135,757.85-203,557.42-40,959.61

Finding the Fourth Proportional to 135,757.85, 203,557.42 and 40,959.61

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Solution

The fourth proportional to 135,757.85, 203,557.42 and 40,959.61 is: 61,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,757.85 : 203,557.42 = 40,959.61 : x
  2. Step 2: Convert to fraction form
    135,757.85/203,557.42 = 40,959.61/x
  3. Step 3: Cross multiply
    135,757.85x = 203,557.42 × 40,959.61
  4. Step 4: Simplify right side
    135,757.85x = 8,337,631,475.93
  5. Step 5: Solve for x
    x = 8,337,631,475.93/135,757.85
  6. Step 6: Final answer
    x = 61,415.46

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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.