Home / 208,453.26-287,559.86-131,843.33

Finding the Fourth Proportional to 208,453.26, 287,559.86 and 131,843.33

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Solution

The fourth proportional to 208,453.26, 287,559.86 and 131,843.33 is: 181,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,453.26 : 287,559.86 = 131,843.33 : x
  2. Step 2: Convert to fraction form
    208,453.26/287,559.86 = 131,843.33/x
  3. Step 3: Cross multiply
    208,453.26x = 287,559.86 × 131,843.33
  4. Step 4: Simplify right side
    208,453.26x = 37,912,849,516.73
  5. Step 5: Solve for x
    x = 37,912,849,516.73/208,453.26
  6. Step 6: Final answer
    x = 181,876.98

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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.