Finding the Fourth Proportional to 114,699.87, 172,086.36 and 48,122.12
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Solution
The fourth proportional to 114,699.87, 172,086.36 and 48,122.12 is: 72,198.52
Step by Step Solution
- Step 1: Write the proportion equation
114,699.87 : 172,086.36 = 48,122.12 : x - Step 2: Convert to fraction form
114,699.87/172,086.36 = 48,122.12/x - Step 3: Cross multiply
114,699.87x = 172,086.36 × 48,122.12 - Step 4: Simplify right side
114,699.87x = 8,281,160,431.63 - Step 5: Solve for x
x = 8,281,160,431.63/114,699.87 - Step 6: Final answer
x = 72,198.52
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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.