Finding the Fourth Proportional to 105,614.46, 158,044.23 and 91,737.99
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Solution
The fourth proportional to 105,614.46, 158,044.23 and 91,737.99 is: 137,279.12
Step by Step Solution
- Step 1: Write the proportion equation
105,614.46 : 158,044.23 = 91,737.99 : x - Step 2: Convert to fraction form
105,614.46/158,044.23 = 91,737.99/x - Step 3: Cross multiply
105,614.46x = 158,044.23 × 91,737.99 - Step 4: Simplify right side
105,614.46x = 14,498,659,991.30 - Step 5: Solve for x
x = 14,498,659,991.30/105,614.46 - Step 6: Final answer
x = 137,279.12
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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.