Finding the Fourth Proportional to 110,117.22, 151,948.21 and 67,081.09
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Solution
The fourth proportional to 110,117.22, 151,948.21 and 67,081.09 is: 92,563.65
Step by Step Solution
- Step 1: Write the proportion equation
110,117.22 : 151,948.21 = 67,081.09 : x - Step 2: Convert to fraction form
110,117.22/151,948.21 = 67,081.09/x - Step 3: Cross multiply
110,117.22x = 151,948.21 × 67,081.09 - Step 4: Simplify right side
110,117.22x = 10,192,851,927.68 - Step 5: Solve for x
x = 10,192,851,927.68/110,117.22 - Step 6: Final answer
x = 92,563.65
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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.