Home / 255,786.05-383,613.61-75,829.40

Finding the Fourth Proportional to 255,786.05, 383,613.61 and 75,829.40

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Solution

The fourth proportional to 255,786.05, 383,613.61 and 75,829.40 is: 113,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,786.05 : 383,613.61 = 75,829.40 : x
  2. Step 2: Convert to fraction form
    255,786.05/383,613.61 = 75,829.40/x
  3. Step 3: Cross multiply
    255,786.05x = 383,613.61 × 75,829.40
  4. Step 4: Simplify right side
    255,786.05x = 29,089,187,770.49
  5. Step 5: Solve for x
    x = 29,089,187,770.49/255,786.05
  6. Step 6: Final answer
    x = 113,724.68

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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.