Finding the Fourth Proportional to 168,697.98, 252,921.96 and 102,122.37
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Solution
The fourth proportional to 168,697.98, 252,921.96 and 102,122.37 is: 153,107.88
Step by Step Solution
- Step 1: Write the proportion equation
168,697.98 : 252,921.96 = 102,122.37 : x - Step 2: Convert to fraction form
168,697.98/252,921.96 = 102,122.37/x - Step 3: Cross multiply
168,697.98x = 252,921.96 × 102,122.37 - Step 4: Simplify right side
168,697.98x = 25,828,989,980.25 - Step 5: Solve for x
x = 25,828,989,980.25/168,697.98 - Step 6: Final answer
x = 153,107.88
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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.