Finding the Fourth Proportional to 125,463.60, 173,135.08 and 68,101.69
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Solution
The fourth proportional to 125,463.60, 173,135.08 and 68,101.69 is: 93,977.79
Step by Step Solution
- Step 1: Write the proportion equation
125,463.60 : 173,135.08 = 68,101.69 : x - Step 2: Convert to fraction form
125,463.60/173,135.08 = 68,101.69/x - Step 3: Cross multiply
125,463.60x = 173,135.08 × 68,101.69 - Step 4: Simplify right side
125,463.60x = 11,790,791,546.29 - Step 5: Solve for x
x = 11,790,791,546.29/125,463.60 - Step 6: Final answer
x = 93,977.79
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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.