Home / 197,739.15-272,896.83-111,713.93

Finding the Fourth Proportional to 197,739.15, 272,896.83 and 111,713.93

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Solution

The fourth proportional to 197,739.15, 272,896.83 and 111,713.93 is: 154,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,739.15 : 272,896.83 = 111,713.93 : x
  2. Step 2: Convert to fraction form
    197,739.15/272,896.83 = 111,713.93/x
  3. Step 3: Cross multiply
    197,739.15x = 272,896.83 × 111,713.93
  4. Step 4: Simplify right side
    197,739.15x = 30,486,375,999.36
  5. Step 5: Solve for x
    x = 30,486,375,999.36/197,739.15
  6. Step 6: Final answer
    x = 154,174.71

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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.