Home / 140,636.62-194,077.83-76,105.81

Finding the Fourth Proportional to 140,636.62, 194,077.83 and 76,105.81

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Solution

The fourth proportional to 140,636.62, 194,077.83 and 76,105.81 is: 105,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,636.62 : 194,077.83 = 76,105.81 : x
  2. Step 2: Convert to fraction form
    140,636.62/194,077.83 = 76,105.81/x
  3. Step 3: Cross multiply
    140,636.62x = 194,077.83 × 76,105.81
  4. Step 4: Simplify right side
    140,636.62x = 14,770,450,455.19
  5. Step 5: Solve for x
    x = 14,770,450,455.19/140,636.62
  6. Step 6: Final answer
    x = 105,025.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.