Finding the Fourth Proportional to 141,231.06, 194,904.99 and 80,820.66
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Solution
The fourth proportional to 141,231.06, 194,904.99 and 80,820.66 is: 111,536.02
Step by Step Solution
- Step 1: Write the proportion equation
141,231.06 : 194,904.99 = 80,820.66 : x - Step 2: Convert to fraction form
141,231.06/194,904.99 = 80,820.66/x - Step 3: Cross multiply
141,231.06x = 194,904.99 × 80,820.66 - Step 4: Simplify right side
141,231.06x = 15,752,349,929.09 - Step 5: Solve for x
x = 15,752,349,929.09/141,231.06 - Step 6: Final answer
x = 111,536.02
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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.