Finding the Fourth Proportional to 159,754.99, 220,460.66 and 88,138.03
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Solution
The fourth proportional to 159,754.99, 220,460.66 and 88,138.03 is: 121,629.80
Step by Step Solution
- Step 1: Write the proportion equation
159,754.99 : 220,460.66 = 88,138.03 : x - Step 2: Convert to fraction form
159,754.99/220,460.66 = 88,138.03/x - Step 3: Cross multiply
159,754.99x = 220,460.66 × 88,138.03 - Step 4: Simplify right side
159,754.99x = 19,430,967,824.21 - Step 5: Solve for x
x = 19,430,967,824.21/159,754.99 - Step 6: Final answer
x = 121,629.80
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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.