Finding the Fourth Proportional to 119,861.84, 179,737.14 and 69,956.30
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Solution
The fourth proportional to 119,861.84, 179,737.14 and 69,956.30 is: 104,901.99
Step by Step Solution
- Step 1: Write the proportion equation
119,861.84 : 179,737.14 = 69,956.30 : x - Step 2: Convert to fraction form
119,861.84/179,737.14 = 69,956.30/x - Step 3: Cross multiply
119,861.84x = 179,737.14 × 69,956.30 - Step 4: Simplify right side
119,861.84x = 12,573,745,286.98 - Step 5: Solve for x
x = 12,573,745,286.98/119,861.84 - Step 6: Final answer
x = 104,901.99
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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.