Finding the Fourth Proportional to 161,674.47, 223,110.84 and 93,731.00
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Solution
The fourth proportional to 161,674.47, 223,110.84 and 93,731.00 is: 129,348.82
Step by Step Solution
- Step 1: Write the proportion equation
161,674.47 : 223,110.84 = 93,731.00 : x - Step 2: Convert to fraction form
161,674.47/223,110.84 = 93,731.00/x - Step 3: Cross multiply
161,674.47x = 223,110.84 × 93,731.00 - Step 4: Simplify right side
161,674.47x = 20,912,401,586.26 - Step 5: Solve for x
x = 20,912,401,586.26/161,674.47 - Step 6: Final answer
x = 129,348.82
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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.