Finding the Fourth Proportional to 108,871.92, 150,243.84 and 61,125.84
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Solution
The fourth proportional to 108,871.92, 150,243.84 and 61,125.84 is: 84,353.99
Step by Step Solution
- Step 1: Write the proportion equation
108,871.92 : 150,243.84 = 61,125.84 : x - Step 2: Convert to fraction form
108,871.92/150,243.84 = 61,125.84/x - Step 3: Cross multiply
108,871.92x = 150,243.84 × 61,125.84 - Step 4: Simplify right side
108,871.92x = 9,183,780,924.83 - Step 5: Solve for x
x = 9,183,780,924.83/108,871.92 - Step 6: Final answer
x = 84,353.99
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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.