Home / 131,664.14-197,496.21-72,469.34

Finding the Fourth Proportional to 131,664.14, 197,496.21 and 72,469.34

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Solution

The fourth proportional to 131,664.14, 197,496.21 and 72,469.34 is: 108,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664.14 : 197,496.21 = 72,469.34 : x
  2. Step 2: Convert to fraction form
    131,664.14/197,496.21 = 72,469.34/x
  3. Step 3: Cross multiply
    131,664.14x = 197,496.21 × 72,469.34
  4. Step 4: Simplify right side
    131,664.14x = 14,312,419,991.20
  5. Step 5: Solve for x
    x = 14,312,419,991.20/131,664.14
  6. Step 6: Final answer
    x = 108,704.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.