Finding the Fourth Proportional to 161,757.31, 223,198.82 and 93,760.99
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Solution
The fourth proportional to 161,757.31, 223,198.82 and 93,760.99 is: 129,374.95
Step by Step Solution
- Step 1: Write the proportion equation
161,757.31 : 223,198.82 = 93,760.99 : x - Step 2: Convert to fraction form
161,757.31/223,198.82 = 93,760.99/x - Step 3: Cross multiply
161,757.31x = 223,198.82 × 93,760.99 - Step 4: Simplify right side
161,757.31x = 20,927,343,239.95 - Step 5: Solve for x
x = 20,927,343,239.95/161,757.31 - Step 6: Final answer
x = 129,374.95
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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.