Home / 137,831.62-206,761.73-37,991.83

Finding the Fourth Proportional to 137,831.62, 206,761.73 and 37,991.83

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Solution

The fourth proportional to 137,831.62, 206,761.73 and 37,991.83 is: 56,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831.62 : 206,761.73 = 37,991.83 : x
  2. Step 2: Convert to fraction form
    137,831.62/206,761.73 = 37,991.83/x
  3. Step 3: Cross multiply
    137,831.62x = 206,761.73 × 37,991.83
  4. Step 4: Simplify right side
    137,831.62x = 7,855,256,496.67
  5. Step 5: Solve for x
    x = 7,855,256,496.67/137,831.62
  6. Step 6: Final answer
    x = 56,991.69

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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.