Finding the Fourth Proportional to 146,871.14, 202,683.21 and 79,803.14
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Solution
The fourth proportional to 146,871.14, 202,683.21 and 79,803.14 is: 110,128.90
Step by Step Solution
- Step 1: Write the proportion equation
146,871.14 : 202,683.21 = 79,803.14 : x - Step 2: Convert to fraction form
146,871.14/202,683.21 = 79,803.14/x - Step 3: Cross multiply
146,871.14x = 202,683.21 × 79,803.14 - Step 4: Simplify right side
146,871.14x = 16,174,756,583.28 - Step 5: Solve for x
x = 16,174,756,583.28/146,871.14 - Step 6: Final answer
x = 110,128.90
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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.