Finding the Fourth Proportional to 125,189.72, 187,815.36 and 36,443.99
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Solution
The fourth proportional to 125,189.72, 187,815.36 and 36,443.99 is: 54,674.94
Step by Step Solution
- Step 1: Write the proportion equation
125,189.72 : 187,815.36 = 36,443.99 : x - Step 2: Convert to fraction form
125,189.72/187,815.36 = 36,443.99/x - Step 3: Cross multiply
125,189.72x = 187,815.36 × 36,443.99 - Step 4: Simplify right side
125,189.72x = 6,844,740,162.61 - Step 5: Solve for x
x = 6,844,740,162.61/125,189.72 - Step 6: Final answer
x = 54,674.94
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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.