Finding the Fourth Proportional to 132,423.73, 182,748.35 and 71,998.44
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Solution
The fourth proportional to 132,423.73, 182,748.35 and 71,998.44 is: 99,359.80
Step by Step Solution
- Step 1: Write the proportion equation
132,423.73 : 182,748.35 = 71,998.44 : x - Step 2: Convert to fraction form
132,423.73/182,748.35 = 71,998.44/x - Step 3: Cross multiply
132,423.73x = 182,748.35 × 71,998.44 - Step 4: Simplify right side
132,423.73x = 13,157,594,838.84 - Step 5: Solve for x
x = 13,157,594,838.84/132,423.73 - Step 6: Final answer
x = 99,359.80
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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.