Home / 131,969.94-197,982.90-43,216.88

Finding the Fourth Proportional to 131,969.94, 197,982.90 and 43,216.88

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Solution

The fourth proportional to 131,969.94, 197,982.90 and 43,216.88 is: 64,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,969.94 : 197,982.90 = 43,216.88 : x
  2. Step 2: Convert to fraction form
    131,969.94/197,982.90 = 43,216.88/x
  3. Step 3: Cross multiply
    131,969.94x = 197,982.90 × 43,216.88
  4. Step 4: Simplify right side
    131,969.94x = 8,556,203,231.35
  5. Step 5: Solve for x
    x = 8,556,203,231.35/131,969.94
  6. Step 6: Final answer
    x = 64,834.49

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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.