Home / 190,286.72-262,489.92-149,851.52

Finding the Fourth Proportional to 190,286.72, 262,489.92 and 149,851.52

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Solution

The fourth proportional to 190,286.72, 262,489.92 and 149,851.52 is: 206,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,286.72 : 262,489.92 = 149,851.52 : x
  2. Step 2: Convert to fraction form
    190,286.72/262,489.92 = 149,851.52/x
  3. Step 3: Cross multiply
    190,286.72x = 262,489.92 × 149,851.52
  4. Step 4: Simplify right side
    190,286.72x = 39,334,513,496.68
  5. Step 5: Solve for x
    x = 39,334,513,496.68/190,286.72
  6. Step 6: Final answer
    x = 206,711.82

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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.