Finding the Fourth Proportional to 116,832.58, 161,228.68 and 63,117.43
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Solution
The fourth proportional to 116,832.58, 161,228.68 and 63,117.43 is: 87,101.90
Step by Step Solution
- Step 1: Write the proportion equation
116,832.58 : 161,228.68 = 63,117.43 : x - Step 2: Convert to fraction form
116,832.58/161,228.68 = 63,117.43/x - Step 3: Cross multiply
116,832.58x = 161,228.68 × 63,117.43 - Step 4: Simplify right side
116,832.58x = 10,176,339,363.03 - Step 5: Solve for x
x = 10,176,339,363.03/116,832.58 - Step 6: Final answer
x = 87,101.90
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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.