Finding the Fourth Proportional to 106,086.72, 159,130.08 and 50,514.24
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Solution
The fourth proportional to 106,086.72, 159,130.08 and 50,514.24 is: 75,771.36
Step by Step Solution
- Step 1: Write the proportion equation
106,086.72 : 159,130.08 = 50,514.24 : x - Step 2: Convert to fraction form
106,086.72/159,130.08 = 50,514.24/x - Step 3: Cross multiply
106,086.72x = 159,130.08 × 50,514.24 - Step 4: Simplify right side
106,086.72x = 8,038,335,052.34 - Step 5: Solve for x
x = 8,038,335,052.34/106,086.72 - Step 6: Final answer
x = 75,771.36
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Similar ratio
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1.5x scale
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.