Home / 190,493.94-285,682.56-131,707.38

Finding the Fourth Proportional to 190,493.94, 285,682.56 and 131,707.38

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Solution

The fourth proportional to 190,493.94, 285,682.56 and 131,707.38 is: 197,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,493.94 : 285,682.56 = 131,707.38 : x
  2. Step 2: Convert to fraction form
    190,493.94/285,682.56 = 131,707.38/x
  3. Step 3: Cross multiply
    190,493.94x = 285,682.56 × 131,707.38
  4. Step 4: Simplify right side
    190,493.94x = 37,626,501,489.29
  5. Step 5: Solve for x
    x = 37,626,501,489.29/190,493.94
  6. Step 6: Final answer
    x = 197,520.73

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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.