Finding the Fourth Proportional to 106,946.22, 147,583.98 and 59,198.54
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Solution
The fourth proportional to 106,946.22, 147,583.98 and 59,198.54 is: 81,692.99
Step by Step Solution
- Step 1: Write the proportion equation
106,946.22 : 147,583.98 = 59,198.54 : x - Step 2: Convert to fraction form
106,946.22/147,583.98 = 59,198.54/x - Step 3: Cross multiply
106,946.22x = 147,583.98 × 59,198.54 - Step 4: Simplify right side
106,946.22x = 8,736,756,143.39 - Step 5: Solve for x
x = 8,736,756,143.39/106,946.22 - Step 6: Final answer
x = 81,692.99
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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.