Finding the Fourth Proportional to 140,753.19, 194,242.56 and 80,322.63
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Solution
The fourth proportional to 140,753.19, 194,242.56 and 80,322.63 is: 110,847.03
Step by Step Solution
- Step 1: Write the proportion equation
140,753.19 : 194,242.56 = 80,322.63 : x - Step 2: Convert to fraction form
140,753.19/194,242.56 = 80,322.63/x - Step 3: Cross multiply
140,753.19x = 194,242.56 × 80,322.63 - Step 4: Simplify right side
140,753.19x = 15,602,073,277.13 - Step 5: Solve for x
x = 15,602,073,277.13/140,753.19 - Step 6: Final answer
x = 110,847.03
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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.