Home / 255,571.45-383,361.17-75,675.13

Finding the Fourth Proportional to 255,571.45, 383,361.17 and 75,675.13

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Solution

The fourth proportional to 255,571.45, 383,361.17 and 75,675.13 is: 113,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,571.45 : 383,361.17 = 75,675.13 : x
  2. Step 2: Convert to fraction form
    255,571.45/383,361.17 = 75,675.13/x
  3. Step 3: Cross multiply
    255,571.45x = 383,361.17 × 75,675.13
  4. Step 4: Simplify right side
    255,571.45x = 29,010,906,376.70
  5. Step 5: Solve for x
    x = 29,010,906,376.70/255,571.45
  6. Step 6: Final answer
    x = 113,513.88

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1.5x scale

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.