Finding the Fourth Proportional to 146,772.56, 202,545.96 and 79,704.08
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Solution
The fourth proportional to 146,772.56, 202,545.96 and 79,704.08 is: 109,991.54
Step by Step Solution
- Step 1: Write the proportion equation
146,772.56 : 202,545.96 = 79,704.08 : x - Step 2: Convert to fraction form
146,772.56/202,545.96 = 79,704.08/x - Step 3: Cross multiply
146,772.56x = 202,545.96 × 79,704.08 - Step 4: Simplify right side
146,772.56x = 16,143,739,399.52 - Step 5: Solve for x
x = 16,143,739,399.52/146,772.56 - Step 6: Final answer
x = 109,991.54
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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.