Finding the Fourth Proportional to 134,891.14, 186,160.08 and 74,473.42
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Solution
The fourth proportional to 134,891.14, 186,160.08 and 74,473.42 is: 102,779.01
Step by Step Solution
- Step 1: Write the proportion equation
134,891.14 : 186,160.08 = 74,473.42 : x - Step 2: Convert to fraction form
134,891.14/186,160.08 = 74,473.42/x - Step 3: Cross multiply
134,891.14x = 186,160.08 × 74,473.42 - Step 4: Simplify right side
134,891.14x = 13,863,977,825.07 - Step 5: Solve for x
x = 13,863,977,825.07/134,891.14 - Step 6: Final answer
x = 102,779.01
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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.