Finding the Fourth Proportional to 141,573.84, 195,367.97 and 80,331.18
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Solution
The fourth proportional to 141,573.84, 195,367.97 and 80,331.18 is: 110,854.80
Step by Step Solution
- Step 1: Write the proportion equation
141,573.84 : 195,367.97 = 80,331.18 : x - Step 2: Convert to fraction form
141,573.84/195,367.97 = 80,331.18/x - Step 3: Cross multiply
141,573.84x = 195,367.97 × 80,331.18 - Step 4: Simplify right side
141,573.84x = 15,694,139,765.13 - Step 5: Solve for x
x = 15,694,139,765.13/141,573.84 - Step 6: Final answer
x = 110,854.80
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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.