Finding the Fourth Proportional to 117,548.12, 162,215.86 and 63,832.68
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Solution
The fourth proportional to 117,548.12, 162,215.86 and 63,832.68 is: 88,088.80
Step by Step Solution
- Step 1: Write the proportion equation
117,548.12 : 162,215.86 = 63,832.68 : x - Step 2: Convert to fraction form
117,548.12/162,215.86 = 63,832.68/x - Step 3: Cross multiply
117,548.12x = 162,215.86 × 63,832.68 - Step 4: Simplify right side
117,548.12x = 10,354,673,082.30 - Step 5: Solve for x
x = 10,354,673,082.30/117,548.12 - Step 6: Final answer
x = 88,088.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.