Finding the Fourth Proportional to 132,040.42, 182,199.41 and 84,321.70
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Solution
The fourth proportional to 132,040.42, 182,199.41 and 84,321.70 is: 116,353.49
Step by Step Solution
- Step 1: Write the proportion equation
132,040.42 : 182,199.41 = 84,321.70 : x - Step 2: Convert to fraction form
132,040.42/182,199.41 = 84,321.70/x - Step 3: Cross multiply
132,040.42x = 182,199.41 × 84,321.70 - Step 4: Simplify right side
132,040.42x = 15,363,363,990.20 - Step 5: Solve for x
x = 15,363,363,990.20/132,040.42 - Step 6: Final answer
x = 116,353.49
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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.