Home / 190,212.96-262,494.24-102,999.06

Finding the Fourth Proportional to 190,212.96, 262,494.24 and 102,999.06

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Solution

The fourth proportional to 190,212.96, 262,494.24 and 102,999.06 is: 142,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,212.96 : 262,494.24 = 102,999.06 : x
  2. Step 2: Convert to fraction form
    190,212.96/262,494.24 = 102,999.06/x
  3. Step 3: Cross multiply
    190,212.96x = 262,494.24 × 102,999.06
  4. Step 4: Simplify right side
    190,212.96x = 27,036,659,975.41
  5. Step 5: Solve for x
    x = 27,036,659,975.41/190,212.96
  6. Step 6: Final answer
    x = 142,138.90

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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.