Finding the Fourth Proportional to 131,992.14, 182,159.67 and 74,643.54
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Solution
The fourth proportional to 131,992.14, 182,159.67 and 74,643.54 is: 103,014.03
Step by Step Solution
- Step 1: Write the proportion equation
131,992.14 : 182,159.67 = 74,643.54 : x - Step 2: Convert to fraction form
131,992.14/182,159.67 = 74,643.54/x - Step 3: Cross multiply
131,992.14x = 182,159.67 × 74,643.54 - Step 4: Simplify right side
131,992.14x = 13,597,042,614.03 - Step 5: Solve for x
x = 13,597,042,614.03/131,992.14 - Step 6: Final answer
x = 103,014.03
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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.