Finding the Fourth Proportional to 129,965.97, 179,366.35 and 93,697.31
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Solution
The fourth proportional to 129,965.97, 179,366.35 and 93,697.31 is: 129,311.88
Step by Step Solution
- Step 1: Write the proportion equation
129,965.97 : 179,366.35 = 93,697.31 : x - Step 2: Convert to fraction form
129,965.97/179,366.35 = 93,697.31/x - Step 3: Cross multiply
129,965.97x = 179,366.35 × 93,697.31 - Step 4: Simplify right side
129,965.97x = 16,806,143,880.44 - Step 5: Solve for x
x = 16,806,143,880.44/129,965.97 - Step 6: Final answer
x = 129,311.88
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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.