Finding the Fourth Proportional to 168,026.10, 252,112.05 and 84,920.10
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Solution
The fourth proportional to 168,026.10, 252,112.05 and 84,920.10 is: 127,416.99
Step by Step Solution
- Step 1: Write the proportion equation
168,026.10 : 252,112.05 = 84,920.10 : x - Step 2: Convert to fraction form
168,026.10/252,112.05 = 84,920.10/x - Step 3: Cross multiply
168,026.10x = 252,112.05 × 84,920.10 - Step 4: Simplify right side
168,026.10x = 21,409,380,497.21 - Step 5: Solve for x
x = 21,409,380,497.21/168,026.10 - Step 6: Final answer
x = 127,416.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.