Finding the Fourth Proportional to 125,407.14, 173,063.97 and 68,823.78
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Solution
The fourth proportional to 125,407.14, 173,063.97 and 68,823.78 is: 94,977.98
Step by Step Solution
- Step 1: Write the proportion equation
125,407.14 : 173,063.97 = 68,823.78 : x - Step 2: Convert to fraction form
125,407.14/173,063.97 = 68,823.78/x - Step 3: Cross multiply
125,407.14x = 173,063.97 × 68,823.78 - Step 4: Simplify right side
125,407.14x = 11,910,916,597.21 - Step 5: Solve for x
x = 11,910,916,597.21/125,407.14 - Step 6: Final answer
x = 94,977.98
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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.