Finding the Fourth Proportional to 120,914.13, 181,370.97 and 32,167.63
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Solution
The fourth proportional to 120,914.13, 181,370.97 and 32,167.63 is: 48,251.39
Step by Step Solution
- Step 1: Write the proportion equation
120,914.13 : 181,370.97 = 32,167.63 : x - Step 2: Convert to fraction form
120,914.13/181,370.97 = 32,167.63/x - Step 3: Cross multiply
120,914.13x = 181,370.97 × 32,167.63 - Step 4: Simplify right side
120,914.13x = 5,834,274,482.41 - Step 5: Solve for x
x = 5,834,274,482.41/120,914.13 - Step 6: Final answer
x = 48,251.39
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1.5x scale
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.