Home / 197,831.72-273,006.78-107,187.05

Finding the Fourth Proportional to 197,831.72, 273,006.78 and 107,187.05

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Solution

The fourth proportional to 197,831.72, 273,006.78 and 107,187.05 is: 147,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,831.72 : 273,006.78 = 107,187.05 : x
  2. Step 2: Convert to fraction form
    197,831.72/273,006.78 = 107,187.05/x
  3. Step 3: Cross multiply
    197,831.72x = 273,006.78 × 107,187.05
  4. Step 4: Simplify right side
    197,831.72x = 29,262,791,378.20
  5. Step 5: Solve for x
    x = 29,262,791,378.20/197,831.72
  6. Step 6: Final answer
    x = 147,917.59

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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.