Home / 255,904.73-383,916.17-75,986.16

Finding the Fourth Proportional to 255,904.73, 383,916.17 and 75,986.16

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Solution

The fourth proportional to 255,904.73, 383,916.17 and 75,986.16 is: 113,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,904.73 : 383,916.17 = 75,986.16 : x
  2. Step 2: Convert to fraction form
    255,904.73/383,916.17 = 75,986.16/x
  3. Step 3: Cross multiply
    255,904.73x = 383,916.17 × 75,986.16
  4. Step 4: Simplify right side
    255,904.73x = 29,172,315,520.21
  5. Step 5: Solve for x
    x = 29,172,315,520.21/255,904.73
  6. Step 6: Final answer
    x = 113,996.78

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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.