Home / 197,635.73-272,735.03-106,989.69

Finding the Fourth Proportional to 197,635.73, 272,735.03 and 106,989.69

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Solution

The fourth proportional to 197,635.73, 272,735.03 and 106,989.69 is: 147,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,635.73 : 272,735.03 = 106,989.69 : x
  2. Step 2: Convert to fraction form
    197,635.73/272,735.03 = 106,989.69/x
  3. Step 3: Cross multiply
    197,635.73x = 272,735.03 × 106,989.69
  4. Step 4: Simplify right side
    197,635.73x = 29,179,837,602.07
  5. Step 5: Solve for x
    x = 29,179,837,602.07/197,635.73
  6. Step 6: Final answer
    x = 147,644.55

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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.