Finding the Fourth Proportional to 131,907.20, 182,114.48 and 101,635.07
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Solution
The fourth proportional to 131,907.20, 182,114.48 and 101,635.07 is: 140,319.99
Step by Step Solution
- Step 1: Write the proportion equation
131,907.20 : 182,114.48 = 101,635.07 : x - Step 2: Convert to fraction form
131,907.20/182,114.48 = 101,635.07/x - Step 3: Cross multiply
131,907.20x = 182,114.48 × 101,635.07 - Step 4: Simplify right side
131,907.20x = 18,509,217,414.64 - Step 5: Solve for x
x = 18,509,217,414.64/131,907.20 - Step 6: Final answer
x = 140,319.99
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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.