Home / 190,495.94-285,685.56-131,709.38

Finding the Fourth Proportional to 190,495.94, 285,685.56 and 131,709.38

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Solution

The fourth proportional to 190,495.94, 285,685.56 and 131,709.38 is: 197,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,495.94 : 285,685.56 = 131,709.38 : x
  2. Step 2: Convert to fraction form
    190,495.94/285,685.56 = 131,709.38/x
  3. Step 3: Cross multiply
    190,495.94x = 285,685.56 × 131,709.38
  4. Step 4: Simplify right side
    190,495.94x = 37,627,467,982.55
  5. Step 5: Solve for x
    x = 37,627,467,982.55/190,495.94
  6. Step 6: Final answer
    x = 197,523.73

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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.