Finding the Fourth Proportional to 125,657.82, 173,409.55 and 68,297.12
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Solution
The fourth proportional to 125,657.82, 173,409.55 and 68,297.12 is: 94,250.99
Step by Step Solution
- Step 1: Write the proportion equation
125,657.82 : 173,409.55 = 68,297.12 : x - Step 2: Convert to fraction form
125,657.82/173,409.55 = 68,297.12/x - Step 3: Cross multiply
125,657.82x = 173,409.55 × 68,297.12 - Step 4: Simplify right side
125,657.82x = 11,843,373,625.51 - Step 5: Solve for x
x = 11,843,373,625.51/125,657.82 - Step 6: Final answer
x = 94,250.99
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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.