Finding the Fourth Proportional to 160,851.91, 222,002.25 and 89,254.99
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Solution
The fourth proportional to 160,851.91, 222,002.25 and 89,254.99 is: 123,186.65
Step by Step Solution
- Step 1: Write the proportion equation
160,851.91 : 222,002.25 = 89,254.99 : x - Step 2: Convert to fraction form
160,851.91/222,002.25 = 89,254.99/x - Step 3: Cross multiply
160,851.91x = 222,002.25 × 89,254.99 - Step 4: Simplify right side
160,851.91x = 19,814,808,603.73 - Step 5: Solve for x
x = 19,814,808,603.73/160,851.91 - Step 6: Final answer
x = 123,186.65
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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.