Finding the Fourth Proportional to 125,591.81, 173,315.97 and 68,230.67
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Solution
The fourth proportional to 125,591.81, 173,315.97 and 68,230.67 is: 94,157.93
Step by Step Solution
- Step 1: Write the proportion equation
125,591.81 : 173,315.97 = 68,230.67 : x - Step 2: Convert to fraction form
125,591.81/173,315.97 = 68,230.67/x - Step 3: Cross multiply
125,591.81x = 173,315.97 × 68,230.67 - Step 4: Simplify right side
125,591.81x = 11,825,463,888.22 - Step 5: Solve for x
x = 11,825,463,888.22/125,591.81 - Step 6: Final answer
x = 94,157.93
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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.