Home / 131,940.88-197,936.04-43,199.20

Finding the Fourth Proportional to 131,940.88, 197,936.04 and 43,199.20

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Solution

The fourth proportional to 131,940.88, 197,936.04 and 43,199.20 is: 64,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,940.88 : 197,936.04 = 43,199.20 : x
  2. Step 2: Convert to fraction form
    131,940.88/197,936.04 = 43,199.20/x
  3. Step 3: Cross multiply
    131,940.88x = 197,936.04 × 43,199.20
  4. Step 4: Simplify right side
    131,940.88x = 8,550,678,579.17
  5. Step 5: Solve for x
    x = 8,550,678,579.17/131,940.88
  6. Step 6: Final answer
    x = 64,806.89

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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.