Home / 255,723.30-383,584.41-68,734.80

Finding the Fourth Proportional to 255,723.30, 383,584.41 and 68,734.80

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Solution

The fourth proportional to 255,723.30, 383,584.41 and 68,734.80 is: 103,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,723.30 : 383,584.41 = 68,734.80 : x
  2. Step 2: Convert to fraction form
    255,723.30/383,584.41 = 68,734.80/x
  3. Step 3: Cross multiply
    255,723.30x = 383,584.41 × 68,734.80
  4. Step 4: Simplify right side
    255,723.30x = 26,365,597,704.47
  5. Step 5: Solve for x
    x = 26,365,597,704.47/255,723.30
  6. Step 6: Final answer
    x = 103,102.05

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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.