Finding the Fourth Proportional to 122,227.19, 168,673.30 and 68,512.19
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Solution
The fourth proportional to 122,227.19, 168,673.30 and 68,512.19 is: 94,546.70
Step by Step Solution
- Step 1: Write the proportion equation
122,227.19 : 168,673.30 = 68,512.19 : x - Step 2: Convert to fraction form
122,227.19/168,673.30 = 68,512.19/x - Step 3: Cross multiply
122,227.19x = 168,673.30 × 68,512.19 - Step 4: Simplify right side
122,227.19x = 11,556,177,177.53 - Step 5: Solve for x
x = 11,556,177,177.53/122,227.19 - Step 6: Final answer
x = 94,546.70
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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.