Home / 190,792.62-263,280.65-105,903

Finding the Fourth Proportional to 190,792.62, 263,280.65 and 105,903

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Solution

The fourth proportional to 190,792.62, 263,280.65 and 105,903 is: 146,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,792.62 : 263,280.65 = 105,903 : x
  2. Step 2: Convert to fraction form
    190,792.62/263,280.65 = 105,903/x
  3. Step 3: Cross multiply
    190,792.62x = 263,280.65 × 105,903
  4. Step 4: Simplify right side
    190,792.62x = 27,882,210,147.44
  5. Step 5: Solve for x
    x = 27,882,210,147.44/190,792.62
  6. Step 6: Final answer
    x = 146,138.83

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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.