Finding the Fourth Proportional to 168,092.05, 231,991.73 and 110,722.18
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Solution
The fourth proportional to 168,092.05, 231,991.73 and 110,722.18 is: 152,812.88
Step by Step Solution
- Step 1: Write the proportion equation
168,092.05 : 231,991.73 = 110,722.18 : x - Step 2: Convert to fraction form
168,092.05/231,991.73 = 110,722.18/x - Step 3: Cross multiply
168,092.05x = 231,991.73 × 110,722.18 - Step 4: Simplify right side
168,092.05x = 25,686,630,087.57 - Step 5: Solve for x
x = 25,686,630,087.57/168,092.05 - Step 6: Final answer
x = 152,812.88
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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.