Finding the Fourth Proportional to 163,133.96, 225,155.60 and 106,446.92
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Solution
The fourth proportional to 163,133.96, 225,155.60 and 106,446.92 is: 146,916.80
Step by Step Solution
- Step 1: Write the proportion equation
163,133.96 : 225,155.60 = 106,446.92 : x - Step 2: Convert to fraction form
163,133.96/225,155.60 = 106,446.92/x - Step 3: Cross multiply
163,133.96x = 225,155.60 × 106,446.92 - Step 4: Simplify right side
163,133.96x = 23,967,120,140.75 - Step 5: Solve for x
x = 23,967,120,140.75/163,133.96 - Step 6: Final answer
x = 146,916.80
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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.