Finding the Fourth Proportional to 134,672.43, 185,844.36 and 74,243.31
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Solution
The fourth proportional to 134,672.43, 185,844.36 and 74,243.31 is: 102,453.79
Step by Step Solution
- Step 1: Write the proportion equation
134,672.43 : 185,844.36 = 74,243.31 : x - Step 2: Convert to fraction form
134,672.43/185,844.36 = 74,243.31/x - Step 3: Cross multiply
134,672.43x = 185,844.36 × 74,243.31 - Step 4: Simplify right side
134,672.43x = 13,797,700,431.23 - Step 5: Solve for x
x = 13,797,700,431.23/134,672.43 - Step 6: Final answer
x = 102,453.79
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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.