Home / 255,786.37-383,614.08-75,829.71

Finding the Fourth Proportional to 255,786.37, 383,614.08 and 75,829.71

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Solution

The fourth proportional to 255,786.37, 383,614.08 and 75,829.71 is: 113,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,786.37 : 383,614.08 = 75,829.71 : x
  2. Step 2: Convert to fraction form
    255,786.37/383,614.08 = 75,829.71/x
  3. Step 3: Cross multiply
    255,786.37x = 383,614.08 × 75,829.71
  4. Step 4: Simplify right side
    255,786.37x = 29,089,342,141.10
  5. Step 5: Solve for x
    x = 29,089,342,141.10/255,786.37
  6. Step 6: Final answer
    x = 113,725.15

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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.