Home / 197,664.78-272,777.03-107,020.73

Finding the Fourth Proportional to 197,664.78, 272,777.03 and 107,020.73

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Solution

The fourth proportional to 197,664.78, 272,777.03 and 107,020.73 is: 147,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,664.78 : 272,777.03 = 107,020.73 : x
  2. Step 2: Convert to fraction form
    197,664.78/272,777.03 = 107,020.73/x
  3. Step 3: Cross multiply
    197,664.78x = 272,777.03 × 107,020.73
  4. Step 4: Simplify right side
    197,664.78x = 29,192,796,877.83
  5. Step 5: Solve for x
    x = 29,192,796,877.83/197,664.78
  6. Step 6: Final answer
    x = 147,688.41

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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.