Home / 190,388.42-262,735.99-105,505.48

Finding the Fourth Proportional to 190,388.42, 262,735.99 and 105,505.48

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Solution

The fourth proportional to 190,388.42, 262,735.99 and 105,505.48 is: 145,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,388.42 : 262,735.99 = 105,505.48 : x
  2. Step 2: Convert to fraction form
    190,388.42/262,735.99 = 105,505.48/x
  3. Step 3: Cross multiply
    190,388.42x = 262,735.99 × 105,505.48
  4. Step 4: Simplify right side
    190,388.42x = 27,720,086,738.23
  5. Step 5: Solve for x
    x = 27,720,086,738.23/190,388.42
  6. Step 6: Final answer
    x = 145,597.55

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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.