Home / 142,571.53-196,797.87-82,166.29

Finding the Fourth Proportional to 142,571.53, 196,797.87 and 82,166.29

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Solution

The fourth proportional to 142,571.53, 196,797.87 and 82,166.29 is: 113,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,571.53 : 196,797.87 = 82,166.29 : x
  2. Step 2: Convert to fraction form
    142,571.53/196,797.87 = 82,166.29/x
  3. Step 3: Cross multiply
    142,571.53x = 196,797.87 × 82,166.29
  4. Step 4: Simplify right side
    142,571.53x = 16,170,150,857.80
  5. Step 5: Solve for x
    x = 16,170,150,857.80/142,571.53
  6. Step 6: Final answer
    x = 113,417.81

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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.