Home / 131,968.08-197,982.36-43,226.64

Finding the Fourth Proportional to 131,968.08, 197,982.36 and 43,226.64

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Solution

The fourth proportional to 131,968.08, 197,982.36 and 43,226.64 is: 64,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968.08 : 197,982.36 = 43,226.64 : x
  2. Step 2: Convert to fraction form
    131,968.08/197,982.36 = 43,226.64/x
  3. Step 3: Cross multiply
    131,968.08x = 197,982.36 × 43,226.64
  4. Step 4: Simplify right side
    131,968.08x = 8,558,112,202.07
  5. Step 5: Solve for x
    x = 8,558,112,202.07/131,968.08
  6. Step 6: Final answer
    x = 64,849.87

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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.