Finding the Fourth Proportional to 146,871.62, 202,684.08 and 79,803.62
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Solution
The fourth proportional to 146,871.62, 202,684.08 and 79,803.62 is: 110,129.67
Step by Step Solution
- Step 1: Write the proportion equation
146,871.62 : 202,684.08 = 79,803.62 : x - Step 2: Convert to fraction form
146,871.62/202,684.08 = 79,803.62/x - Step 3: Cross multiply
146,871.62x = 202,684.08 × 79,803.62 - Step 4: Simplify right side
146,871.62x = 16,174,923,300.37 - Step 5: Solve for x
x = 16,174,923,300.37/146,871.62 - Step 6: Final answer
x = 110,129.67
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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.