Finding the Fourth Proportional to 132,000.51, 197,672.69 and 92,372.19
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Solution
The fourth proportional to 132,000.51, 197,672.69 and 92,372.19 is: 138,328.70
Step by Step Solution
- Step 1: Write the proportion equation
132,000.51 : 197,672.69 = 92,372.19 : x - Step 2: Convert to fraction form
132,000.51/197,672.69 = 92,372.19/x - Step 3: Cross multiply
132,000.51x = 197,672.69 × 92,372.19 - Step 4: Simplify right side
132,000.51x = 18,259,458,816.63 - Step 5: Solve for x
x = 18,259,458,816.63/132,000.51 - Step 6: Final answer
x = 138,328.70
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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.