Finding the Fourth Proportional to 121,105.13, 167,125.07 and 68,113.13
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Solution
The fourth proportional to 121,105.13, 167,125.07 and 68,113.13 is: 93,996.11
Step by Step Solution
- Step 1: Write the proportion equation
121,105.13 : 167,125.07 = 68,113.13 : x - Step 2: Convert to fraction form
121,105.13/167,125.07 = 68,113.13/x - Step 3: Cross multiply
121,105.13x = 167,125.07 × 68,113.13 - Step 4: Simplify right side
121,105.13x = 11,383,410,953.83 - Step 5: Solve for x
x = 11,383,410,953.83/121,105.13 - Step 6: Final answer
x = 93,996.11
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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.