Finding the Fourth Proportional to 113,367.18, 169,977.87 and 54,201.54
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Solution
The fourth proportional to 113,367.18, 169,977.87 and 54,201.54 is: 81,267.46
Step by Step Solution
- Step 1: Write the proportion equation
113,367.18 : 169,977.87 = 54,201.54 : x - Step 2: Convert to fraction form
113,367.18/169,977.87 = 54,201.54/x - Step 3: Cross multiply
113,367.18x = 169,977.87 × 54,201.54 - Step 4: Simplify right side
113,367.18x = 9,213,062,319.92 - Step 5: Solve for x
x = 9,213,062,319.92/113,367.18 - Step 6: Final answer
x = 81,267.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.