Finding the Fourth Proportional to 182,718.99, 252,164.75 and 102,145.05
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Solution
The fourth proportional to 182,718.99, 252,164.75 and 102,145.05 is: 140,967.18
Step by Step Solution
- Step 1: Write the proportion equation
182,718.99 : 252,164.75 = 102,145.05 : x - Step 2: Convert to fraction form
182,718.99/252,164.75 = 102,145.05/x - Step 3: Cross multiply
182,718.99x = 252,164.75 × 102,145.05 - Step 4: Simplify right side
182,718.99x = 25,757,380,486.26 - Step 5: Solve for x
x = 25,757,380,486.26/182,718.99 - Step 6: Final answer
x = 140,967.18
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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.