Finding the Fourth Proportional to 110,811.29, 166,278.29 and 68,713.97
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Solution
The fourth proportional to 110,811.29, 166,278.29 and 68,713.97 is: 103,109.00
Step by Step Solution
- Step 1: Write the proportion equation
110,811.29 : 166,278.29 = 68,713.97 : x - Step 2: Convert to fraction form
110,811.29/166,278.29 = 68,713.97/x - Step 3: Cross multiply
110,811.29x = 166,278.29 × 68,713.97 - Step 4: Simplify right side
110,811.29x = 11,425,640,255.75 - Step 5: Solve for x
x = 11,425,640,255.75/110,811.29 - Step 6: Final answer
x = 103,109.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.