Home / 76,132.20-114,185.70-25,530.60

Finding the Fourth Proportional to 76,132.20, 114,185.70 and 25,530.60

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Solution

The fourth proportional to 76,132.20, 114,185.70 and 25,530.60 is: 38,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,132.20 : 114,185.70 = 25,530.60 : x
  2. Step 2: Convert to fraction form
    76,132.20/114,185.70 = 25,530.60/x
  3. Step 3: Cross multiply
    76,132.20x = 114,185.70 × 25,530.60
  4. Step 4: Simplify right side
    76,132.20x = 2,915,229,432.42
  5. Step 5: Solve for x
    x = 2,915,229,432.42/76,132.20
  6. Step 6: Final answer
    x = 38,291.67

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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.