Finding the Fourth Proportional to 159,750.20, 220,452.52 and 88,137.08
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Solution
The fourth proportional to 159,750.20, 220,452.52 and 88,137.08 is: 121,627.65
Step by Step Solution
- Step 1: Write the proportion equation
159,750.20 : 220,452.52 = 88,137.08 : x - Step 2: Convert to fraction form
159,750.20/220,452.52 = 88,137.08/x - Step 3: Cross multiply
159,750.20x = 220,452.52 × 88,137.08 - Step 4: Simplify right side
159,750.20x = 19,430,041,391.44 - Step 5: Solve for x
x = 19,430,041,391.44/159,750.20 - Step 6: Final answer
x = 121,627.65
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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.