Home / 76,186.12-114,279.18-36,735.88

Finding the Fourth Proportional to 76,186.12, 114,279.18 and 36,735.88

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Solution

The fourth proportional to 76,186.12, 114,279.18 and 36,735.88 is: 55,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,186.12 : 114,279.18 = 36,735.88 : x
  2. Step 2: Convert to fraction form
    76,186.12/114,279.18 = 36,735.88/x
  3. Step 3: Cross multiply
    76,186.12x = 114,279.18 × 36,735.88
  4. Step 4: Simplify right side
    76,186.12x = 4,198,146,242.98
  5. Step 5: Solve for x
    x = 4,198,146,242.98/76,186.12
  6. Step 6: Final answer
    x = 55,103.82

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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.