Finding the Fourth Proportional to 120,344.26, 166,118.70 and 70,043.26
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Solution
The fourth proportional to 120,344.26, 166,118.70 and 70,043.26 is: 96,685.09
Step by Step Solution
- Step 1: Write the proportion equation
120,344.26 : 166,118.70 = 70,043.26 : x - Step 2: Convert to fraction form
120,344.26/166,118.70 = 70,043.26/x - Step 3: Cross multiply
120,344.26x = 166,118.70 × 70,043.26 - Step 4: Simplify right side
120,344.26x = 11,635,495,294.96 - Step 5: Solve for x
x = 11,635,495,294.96/120,344.26 - Step 6: Final answer
x = 96,685.09
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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.