Finding the Fourth Proportional to 103,625.52, 155,438.26 and 68,556.96
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Solution
The fourth proportional to 103,625.52, 155,438.26 and 68,556.96 is: 102,835.43
Step by Step Solution
- Step 1: Write the proportion equation
103,625.52 : 155,438.26 = 68,556.96 : x - Step 2: Convert to fraction form
103,625.52/155,438.26 = 68,556.96/x - Step 3: Cross multiply
103,625.52x = 155,438.26 × 68,556.96 - Step 4: Simplify right side
103,625.52x = 10,656,374,573.29 - Step 5: Solve for x
x = 10,656,374,573.29/103,625.52 - Step 6: Final answer
x = 102,835.43
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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.