Home / 135,986.68-203,909.82-61,042.48

Finding the Fourth Proportional to 135,986.68, 203,909.82 and 61,042.48

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Solution

The fourth proportional to 135,986.68, 203,909.82 and 61,042.48 is: 91,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,986.68 : 203,909.82 = 61,042.48 : x
  2. Step 2: Convert to fraction form
    135,986.68/203,909.82 = 61,042.48/x
  3. Step 3: Cross multiply
    135,986.68x = 203,909.82 × 61,042.48
  4. Step 4: Simplify right side
    135,986.68x = 12,447,161,109.15
  5. Step 5: Solve for x
    x = 12,447,161,109.15/135,986.68
  6. Step 6: Final answer
    x = 91,532.21

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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.