Home / 135,829.71-203,793.17-69,286.59

Finding the Fourth Proportional to 135,829.71, 203,793.17 and 69,286.59

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Solution

The fourth proportional to 135,829.71, 203,793.17 and 69,286.59 is: 103,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,829.71 : 203,793.17 = 69,286.59 : x
  2. Step 2: Convert to fraction form
    135,829.71/203,793.17 = 69,286.59/x
  3. Step 3: Cross multiply
    135,829.71x = 203,793.17 × 69,286.59
  4. Step 4: Simplify right side
    135,829.71x = 14,120,133,468.16
  5. Step 5: Solve for x
    x = 14,120,133,468.16/135,829.71
  6. Step 6: Final answer
    x = 103,954.68

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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.