Home / 199,239.90-274,946.07-109,813.98

Finding the Fourth Proportional to 199,239.90, 274,946.07 and 109,813.98

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Solution

The fourth proportional to 199,239.90, 274,946.07 and 109,813.98 is: 151,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,239.90 : 274,946.07 = 109,813.98 : x
  2. Step 2: Convert to fraction form
    199,239.90/274,946.07 = 109,813.98/x
  3. Step 3: Cross multiply
    199,239.90x = 274,946.07 × 109,813.98
  4. Step 4: Simplify right side
    199,239.90x = 30,192,922,232.06
  5. Step 5: Solve for x
    x = 30,192,922,232.06/199,239.90
  6. Step 6: Final answer
    x = 151,540.54

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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.