Home / 85,241.46-127,834.53-40,255.86

Finding the Fourth Proportional to 85,241.46, 127,834.53 and 40,255.86

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Solution

The fourth proportional to 85,241.46, 127,834.53 and 40,255.86 is: 60,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.46 : 127,834.53 = 40,255.86 : x
  2. Step 2: Convert to fraction form
    85,241.46/127,834.53 = 40,255.86/x
  3. Step 3: Cross multiply
    85,241.46x = 127,834.53 × 40,255.86
  4. Step 4: Simplify right side
    85,241.46x = 5,146,088,942.85
  5. Step 5: Solve for x
    x = 5,146,088,942.85/85,241.46
  6. Step 6: Final answer
    x = 60,370.73

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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.