Finding the Fourth Proportional to 117,644.14, 162,345.63 and 63,927.37
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Solution
The fourth proportional to 117,644.14, 162,345.63 and 63,927.37 is: 88,217.99
Step by Step Solution
- Step 1: Write the proportion equation
117,644.14 : 162,345.63 = 63,927.37 : x - Step 2: Convert to fraction form
117,644.14/162,345.63 = 63,927.37/x - Step 3: Cross multiply
117,644.14x = 162,345.63 × 63,927.37 - Step 4: Simplify right side
117,644.14x = 10,378,328,910.85 - Step 5: Solve for x
x = 10,378,328,910.85/117,644.14 - Step 6: Final answer
x = 88,217.99
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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.