Home / 383,954.34-575,929.08-131,112.84

Finding the Fourth Proportional to 383,954.34, 575,929.08 and 131,112.84

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Solution

The fourth proportional to 383,954.34, 575,929.08 and 131,112.84 is: 196,668.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,954.34 : 575,929.08 = 131,112.84 : x
  2. Step 2: Convert to fraction form
    383,954.34/575,929.08 = 131,112.84/x
  3. Step 3: Cross multiply
    383,954.34x = 575,929.08 × 131,112.84
  4. Step 4: Simplify right side
    383,954.34x = 75,511,697,317.39
  5. Step 5: Solve for x
    x = 75,511,697,317.39/383,954.34
  6. Step 6: Final answer
    x = 196,668.43

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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.