Finding the Fourth Proportional to 135,470.20, 186,930.36 and 75,025.92
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Solution
The fourth proportional to 135,470.20, 186,930.36 and 75,025.92 is: 103,525.52
Step by Step Solution
- Step 1: Write the proportion equation
135,470.20 : 186,930.36 = 75,025.92 : x - Step 2: Convert to fraction form
135,470.20/186,930.36 = 75,025.92/x - Step 3: Cross multiply
135,470.20x = 186,930.36 × 75,025.92 - Step 4: Simplify right side
135,470.20x = 14,024,622,234.93 - Step 5: Solve for x
x = 14,024,622,234.93/135,470.20 - Step 6: Final answer
x = 103,525.52
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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.