Finding the Fourth Proportional to 114,101.20, 170,827.80 and 107,894.80
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Solution
The fourth proportional to 114,101.20, 170,827.80 and 107,894.80 is: 161,535.82
Step by Step Solution
- Step 1: Write the proportion equation
114,101.20 : 170,827.80 = 107,894.80 : x - Step 2: Convert to fraction form
114,101.20/170,827.80 = 107,894.80/x - Step 3: Cross multiply
114,101.20x = 170,827.80 × 107,894.80 - Step 4: Simplify right side
114,101.20x = 18,431,431,315.44 - Step 5: Solve for x
x = 18,431,431,315.44/114,101.20 - Step 6: Final answer
x = 161,535.82
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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.