Home / 76,129.46-114,194.20-23,537.78

Finding the Fourth Proportional to 76,129.46, 114,194.20 and 23,537.78

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Solution

The fourth proportional to 76,129.46, 114,194.20 and 23,537.78 is: 35,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129.46 : 114,194.20 = 23,537.78 : x
  2. Step 2: Convert to fraction form
    76,129.46/114,194.20 = 23,537.78/x
  3. Step 3: Cross multiply
    76,129.46x = 114,194.20 × 23,537.78
  4. Step 4: Simplify right side
    76,129.46x = 2,687,877,956.88
  5. Step 5: Solve for x
    x = 2,687,877,956.88/76,129.46
  6. Step 6: Final answer
    x = 35,306.67

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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.