Finding the Fourth Proportional to 95,578.40, 143,194.80 and 84,519.20
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Solution
The fourth proportional to 95,578.40, 143,194.80 and 84,519.20 is: 126,625.99
Step by Step Solution
- Step 1: Write the proportion equation
95,578.40 : 143,194.80 = 84,519.20 : x - Step 2: Convert to fraction form
95,578.40/143,194.80 = 84,519.20/x - Step 3: Cross multiply
95,578.40x = 143,194.80 × 84,519.20 - Step 4: Simplify right side
95,578.40x = 12,102,709,940.16 - Step 5: Solve for x
x = 12,102,709,940.16/95,578.40 - Step 6: Final answer
x = 126,625.99
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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.