Finding the Fourth Proportional to 168,148.49, 252,157.12 and 73,407.65
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Solution
The fourth proportional to 168,148.49, 252,157.12 and 73,407.65 is: 110,082.82
Step by Step Solution
- Step 1: Write the proportion equation
168,148.49 : 252,157.12 = 73,407.65 : x - Step 2: Convert to fraction form
168,148.49/252,157.12 = 73,407.65/x - Step 3: Cross multiply
168,148.49x = 252,157.12 × 73,407.65 - Step 4: Simplify right side
168,148.49x = 18,510,260,165.66 - Step 5: Solve for x
x = 18,510,260,165.66/168,148.49 - Step 6: Final answer
x = 110,082.82
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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.