Finding the Fourth Proportional to 107,516.84, 161,277.47 and 39,126.05
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Solution
The fourth proportional to 107,516.84, 161,277.47 and 39,126.05 is: 58,689.87
Step by Step Solution
- Step 1: Write the proportion equation
107,516.84 : 161,277.47 = 39,126.05 : x - Step 2: Convert to fraction form
107,516.84/161,277.47 = 39,126.05/x - Step 3: Cross multiply
107,516.84x = 161,277.47 × 39,126.05 - Step 4: Simplify right side
107,516.84x = 6,310,149,353.08 - Step 5: Solve for x
x = 6,310,149,353.08/107,516.84 - Step 6: Final answer
x = 58,689.87
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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.