Finding the Fourth Proportional to 181,926.81, 272,912.09 and 93,156.48
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Solution
The fourth proportional to 181,926.81, 272,912.09 and 93,156.48 is: 139,745.92
Step by Step Solution
- Step 1: Write the proportion equation
181,926.81 : 272,912.09 = 93,156.48 : x - Step 2: Convert to fraction form
181,926.81/272,912.09 = 93,156.48/x - Step 3: Cross multiply
181,926.81x = 272,912.09 × 93,156.48 - Step 4: Simplify right side
181,926.81x = 25,423,529,188.06 - Step 5: Solve for x
x = 25,423,529,188.06/181,926.81 - Step 6: Final answer
x = 139,745.92
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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.