Home / 131,133.26-196,651.62-46,870.64

Finding the Fourth Proportional to 131,133.26, 196,651.62 and 46,870.64

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Solution

The fourth proportional to 131,133.26, 196,651.62 and 46,870.64 is: 70,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,133.26 : 196,651.62 = 46,870.64 : x
  2. Step 2: Convert to fraction form
    131,133.26/196,651.62 = 46,870.64/x
  3. Step 3: Cross multiply
    131,133.26x = 196,651.62 × 46,870.64
  4. Step 4: Simplify right side
    131,133.26x = 9,217,187,286.44
  5. Step 5: Solve for x
    x = 9,217,187,286.44/131,133.26
  6. Step 6: Final answer
    x = 70,288.71

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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.