Home / 197,773.09-272,953.32-111,749.87

Finding the Fourth Proportional to 197,773.09, 272,953.32 and 111,749.87

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Solution

The fourth proportional to 197,773.09, 272,953.32 and 111,749.87 is: 154,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,773.09 : 272,953.32 = 111,749.87 : x
  2. Step 2: Convert to fraction form
    197,773.09/272,953.32 = 111,749.87/x
  3. Step 3: Cross multiply
    197,773.09x = 272,953.32 × 111,749.87
  4. Step 4: Simplify right side
    197,773.09x = 30,502,498,026.07
  5. Step 5: Solve for x
    x = 30,502,498,026.07/197,773.09
  6. Step 6: Final answer
    x = 154,229.77

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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.