Finding the Fourth Proportional to 168,149.49, 252,158.62 and 73,408.65
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Solution
The fourth proportional to 168,149.49, 252,158.62 and 73,408.65 is: 110,084.33
Step by Step Solution
- Step 1: Write the proportion equation
168,149.49 : 252,158.62 = 73,408.65 : x - Step 2: Convert to fraction form
168,149.49/252,158.62 = 73,408.65/x - Step 3: Cross multiply
168,149.49x = 252,158.62 × 73,408.65 - Step 4: Simplify right side
168,149.49x = 18,510,623,880.06 - Step 5: Solve for x
x = 18,510,623,880.06/168,149.49 - Step 6: Final answer
x = 110,084.33
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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.