Finding the Fourth Proportional to 132,896.08, 199,344.12 and 53,991.82
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Solution
The fourth proportional to 132,896.08, 199,344.12 and 53,991.82 is: 80,987.73
Step by Step Solution
- Step 1: Write the proportion equation
132,896.08 : 199,344.12 = 53,991.82 : x - Step 2: Convert to fraction form
132,896.08/199,344.12 = 53,991.82/x - Step 3: Cross multiply
132,896.08x = 199,344.12 × 53,991.82 - Step 4: Simplify right side
132,896.08x = 10,762,951,845.10 - Step 5: Solve for x
x = 10,762,951,845.10/132,896.08 - Step 6: Final answer
x = 80,987.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.