Finding the Fourth Proportional to 117,124.08, 161,589.24 and 66,793.92
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Solution
The fourth proportional to 117,124.08, 161,589.24 and 66,793.92 is: 92,151.66
Step by Step Solution
- Step 1: Write the proportion equation
117,124.08 : 161,589.24 = 66,793.92 : x - Step 2: Convert to fraction form
117,124.08/161,589.24 = 66,793.92/x - Step 3: Cross multiply
117,124.08x = 161,589.24 × 66,793.92 - Step 4: Simplify right side
117,124.08x = 10,793,178,769.42 - Step 5: Solve for x
x = 10,793,178,769.42/117,124.08 - Step 6: Final answer
x = 92,151.66
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1.5x scale
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.