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Finding the Fourth Proportional to 197,910, 273,133.08 and 108,503.28

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Solution

The fourth proportional to 197,910, 273,133.08 and 108,503.28 is: 149,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,910 : 273,133.08 = 108,503.28 : x
  2. Step 2: Convert to fraction form
    197,910/273,133.08 = 108,503.28/x
  3. Step 3: Cross multiply
    197,910x = 273,133.08 × 108,503.28
  4. Step 4: Simplify right side
    197,910x = 29,635,835,056.50
  5. Step 5: Solve for x
    x = 29,635,835,056.50/197,910
  6. Step 6: Final answer
    x = 149,744.00

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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.