Finding the Fourth Proportional to 112,236.89, 168,306.06 and 42,066.99
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Solution
The fourth proportional to 112,236.89, 168,306.06 and 42,066.99 is: 63,082.02
Step by Step Solution
- Step 1: Write the proportion equation
112,236.89 : 168,306.06 = 42,066.99 : x - Step 2: Convert to fraction form
112,236.89/168,306.06 = 42,066.99/x - Step 3: Cross multiply
112,236.89x = 168,306.06 × 42,066.99 - Step 4: Simplify right side
112,236.89x = 7,080,129,342.96 - Step 5: Solve for x
x = 7,080,129,342.96/112,236.89 - Step 6: Final answer
x = 63,082.02
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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.