Finding the Fourth Proportional to 146,770.14, 202,542.84 and 79,702.14
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Solution
The fourth proportional to 146,770.14, 202,542.84 and 79,702.14 is: 109,988.98
Step by Step Solution
- Step 1: Write the proportion equation
146,770.14 : 202,542.84 = 79,702.14 : x - Step 2: Convert to fraction form
146,770.14/202,542.84 = 79,702.14/x - Step 3: Cross multiply
146,770.14x = 202,542.84 × 79,702.14 - Step 4: Simplify right side
146,770.14x = 16,143,097,789.68 - Step 5: Solve for x
x = 16,143,097,789.68/146,770.14 - Step 6: Final answer
x = 109,988.98
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1.5x scale
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.