Finding the Fourth Proportional to 117,160.97, 161,682.23 and 63,446.05
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Solution
The fourth proportional to 117,160.97, 161,682.23 and 63,446.05 is: 87,555.59
Step by Step Solution
- Step 1: Write the proportion equation
117,160.97 : 161,682.23 = 63,446.05 : x - Step 2: Convert to fraction form
117,160.97/161,682.23 = 63,446.05/x - Step 3: Cross multiply
117,160.97x = 161,682.23 × 63,446.05 - Step 4: Simplify right side
117,160.97x = 10,258,097,723.05 - Step 5: Solve for x
x = 10,258,097,723.05/117,160.97 - Step 6: Final answer
x = 87,555.59
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1.5x scale
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.