Finding the Fourth Proportional to 114,951.87, 158,634.99 and 64,650.87
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Solution
The fourth proportional to 114,951.87, 158,634.99 and 64,650.87 is: 89,218.99
Step by Step Solution
- Step 1: Write the proportion equation
114,951.87 : 158,634.99 = 64,650.87 : x - Step 2: Convert to fraction form
114,951.87/158,634.99 = 64,650.87/x - Step 3: Cross multiply
114,951.87x = 158,634.99 × 64,650.87 - Step 4: Simplify right side
114,951.87x = 10,255,890,115.94 - Step 5: Solve for x
x = 10,255,890,115.94/114,951.87 - Step 6: Final answer
x = 89,218.99
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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.