Home / 197,335.92-272,318.04-107,910

Finding the Fourth Proportional to 197,335.92, 272,318.04 and 107,910

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Solution

The fourth proportional to 197,335.92, 272,318.04 and 107,910 is: 148,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,335.92 : 272,318.04 = 107,910 : x
  2. Step 2: Convert to fraction form
    197,335.92/272,318.04 = 107,910/x
  3. Step 3: Cross multiply
    197,335.92x = 272,318.04 × 107,910
  4. Step 4: Simplify right side
    197,335.92x = 29,385,839,696.40
  5. Step 5: Solve for x
    x = 29,385,839,696.40/197,335.92
  6. Step 6: Final answer
    x = 148,912.78

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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.