Finding the Fourth Proportional to 108,789.18, 163,181.19 and 64,093.99
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Solution
The fourth proportional to 108,789.18, 163,181.19 and 64,093.99 is: 96,139.46
Step by Step Solution
- Step 1: Write the proportion equation
108,789.18 : 163,181.19 = 64,093.99 : x - Step 2: Convert to fraction form
108,789.18/163,181.19 = 64,093.99/x - Step 3: Cross multiply
108,789.18x = 163,181.19 × 64,093.99 - Step 4: Simplify right side
108,789.18x = 10,458,933,640.17 - Step 5: Solve for x
x = 10,458,933,640.17/108,789.18 - Step 6: Final answer
x = 96,139.46
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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.