Finding the Fourth Proportional to 107,491.68, 148,356.36 and 62,161.92
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Solution
The fourth proportional to 107,491.68, 148,356.36 and 62,161.92 is: 85,793.77
Step by Step Solution
- Step 1: Write the proportion equation
107,491.68 : 148,356.36 = 62,161.92 : x - Step 2: Convert to fraction form
107,491.68/148,356.36 = 62,161.92/x - Step 3: Cross multiply
107,491.68x = 148,356.36 × 62,161.92 - Step 4: Simplify right side
107,491.68x = 9,222,116,181.81 - Step 5: Solve for x
x = 9,222,116,181.81/107,491.68 - Step 6: Final answer
x = 85,793.77
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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.