Finding the Fourth Proportional to 132,106.86, 198,197.01 and 53,202.60
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Solution
The fourth proportional to 132,106.86, 198,197.01 and 53,202.60 is: 79,818.69
Step by Step Solution
- Step 1: Write the proportion equation
132,106.86 : 198,197.01 = 53,202.60 : x - Step 2: Convert to fraction form
132,106.86/198,197.01 = 53,202.60/x - Step 3: Cross multiply
132,106.86x = 198,197.01 × 53,202.60 - Step 4: Simplify right side
132,106.86x = 10,544,596,244.23 - Step 5: Solve for x
x = 10,544,596,244.23/132,106.86 - Step 6: Final answer
x = 79,818.69
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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.