Finding the Fourth Proportional to 117,170.16, 161,693.88 and 63,454.44
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Solution
The fourth proportional to 117,170.16, 161,693.88 and 63,454.44 is: 87,566.62
Step by Step Solution
- Step 1: Write the proportion equation
117,170.16 : 161,693.88 = 63,454.44 : x - Step 2: Convert to fraction form
117,170.16/161,693.88 = 63,454.44/x - Step 3: Cross multiply
117,170.16x = 161,693.88 × 63,454.44 - Step 4: Simplify right side
117,170.16x = 10,260,194,606.83 - Step 5: Solve for x
x = 10,260,194,606.83/117,170.16 - Step 6: Final answer
x = 87,566.62
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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.