Finding the Fourth Proportional to 117,160.91, 161,682.21 and 63,446.02
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Solution
The fourth proportional to 117,160.91, 161,682.21 and 63,446.02 is: 87,555.59
Step by Step Solution
- Step 1: Write the proportion equation
117,160.91 : 161,682.21 = 63,446.02 : x - Step 2: Convert to fraction form
117,160.91/161,682.21 = 63,446.02/x - Step 3: Cross multiply
117,160.91x = 161,682.21 × 63,446.02 - Step 4: Simplify right side
117,160.91x = 10,258,092,325.10 - Step 5: Solve for x
x = 10,258,092,325.10/117,160.91 - Step 6: Final answer
x = 87,555.59
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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.