Finding the Fourth Proportional to 125,408.25, 173,063.39 and 68,819.63
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Solution
The fourth proportional to 125,408.25, 173,063.39 and 68,819.63 is: 94,971.08
Step by Step Solution
- Step 1: Write the proportion equation
125,408.25 : 173,063.39 = 68,819.63 : x - Step 2: Convert to fraction form
125,408.25/173,063.39 = 68,819.63/x - Step 3: Cross multiply
125,408.25x = 173,063.39 × 68,819.63 - Step 4: Simplify right side
125,408.25x = 11,910,157,256.93 - Step 5: Solve for x
x = 11,910,157,256.93/125,408.25 - Step 6: Final answer
x = 94,971.08
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1.5x scale
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.