Finding the Fourth Proportional to 192,853.10, 266,165.19 and 107,975.63
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Solution
The fourth proportional to 192,853.10, 266,165.19 and 107,975.63 is: 149,021.99
Step by Step Solution
- Step 1: Write the proportion equation
192,853.10 : 266,165.19 = 107,975.63 : x - Step 2: Convert to fraction form
192,853.10/266,165.19 = 107,975.63/x - Step 3: Cross multiply
192,853.10x = 266,165.19 × 107,975.63 - Step 4: Simplify right side
192,853.10x = 28,739,352,743.49 - Step 5: Solve for x
x = 28,739,352,743.49/192,853.10 - Step 6: Final answer
x = 149,021.99
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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.