Finding the Fourth Proportional to 116,986.61, 175,492.21 and 38,106.99
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Solution
The fourth proportional to 116,986.61, 175,492.21 and 38,106.99 is: 57,164.49
Step by Step Solution
- Step 1: Write the proportion equation
116,986.61 : 175,492.21 = 38,106.99 : x - Step 2: Convert to fraction form
116,986.61/175,492.21 = 38,106.99/x - Step 3: Cross multiply
116,986.61x = 175,492.21 × 38,106.99 - Step 4: Simplify right side
116,986.61x = 6,687,479,891.55 - Step 5: Solve for x
x = 6,687,479,891.55/116,986.61 - Step 6: Final answer
x = 57,164.49
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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.