Finding the Fourth Proportional to 171,809.26, 237,005.23 and 100,163.14
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Solution
The fourth proportional to 171,809.26, 237,005.23 and 100,163.14 is: 138,171.76
Step by Step Solution
- Step 1: Write the proportion equation
171,809.26 : 237,005.23 = 100,163.14 : x - Step 2: Convert to fraction form
171,809.26/237,005.23 = 100,163.14/x - Step 3: Cross multiply
171,809.26x = 237,005.23 × 100,163.14 - Step 4: Simplify right side
171,809.26x = 23,739,188,033.22 - Step 5: Solve for x
x = 23,739,188,033.22/171,809.26 - Step 6: Final answer
x = 138,171.76
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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.