Home / 197,100.90-271,999.20-106,456.80

Finding the Fourth Proportional to 197,100.90, 271,999.20 and 106,456.80

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Solution

The fourth proportional to 197,100.90, 271,999.20 and 106,456.80 is: 146,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,100.90 : 271,999.20 = 106,456.80 : x
  2. Step 2: Convert to fraction form
    197,100.90/271,999.20 = 106,456.80/x
  3. Step 3: Cross multiply
    197,100.90x = 271,999.20 × 106,456.80
  4. Step 4: Simplify right side
    197,100.90x = 28,956,164,434.56
  5. Step 5: Solve for x
    x = 28,956,164,434.56/197,100.90
  6. Step 6: Final answer
    x = 146,910.36

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1.5x scale

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.