Home / 209,942.03-289,724.19-114,448.65

Finding the Fourth Proportional to 209,942.03, 289,724.19 and 114,448.65

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Solution

The fourth proportional to 209,942.03, 289,724.19 and 114,448.65 is: 157,941.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,942.03 : 289,724.19 = 114,448.65 : x
  2. Step 2: Convert to fraction form
    209,942.03/289,724.19 = 114,448.65/x
  3. Step 3: Cross multiply
    209,942.03x = 289,724.19 × 114,448.65
  4. Step 4: Simplify right side
    209,942.03x = 33,158,541,545.97
  5. Step 5: Solve for x
    x = 33,158,541,545.97/209,942.03
  6. Step 6: Final answer
    x = 157,941.42

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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.