Finding the Fourth Proportional to 116,822.08, 161,214.52 and 63,107.08
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Solution
The fourth proportional to 116,822.08, 161,214.52 and 63,107.08 is: 87,087.80
Step by Step Solution
- Step 1: Write the proportion equation
116,822.08 : 161,214.52 = 63,107.08 : x - Step 2: Convert to fraction form
116,822.08/161,214.52 = 63,107.08/x - Step 3: Cross multiply
116,822.08x = 161,214.52 × 63,107.08 - Step 4: Simplify right side
116,822.08x = 10,173,777,610.80 - Step 5: Solve for x
x = 10,173,777,610.80/116,822.08 - Step 6: Final answer
x = 87,087.80
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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.