Finding the Fourth Proportional to 125,073.42, 187,651.79 and 40,836.99
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Solution
The fourth proportional to 125,073.42, 187,651.79 and 40,836.99 is: 61,269.09
Step by Step Solution
- Step 1: Write the proportion equation
125,073.42 : 187,651.79 = 40,836.99 : x - Step 2: Convert to fraction form
125,073.42/187,651.79 = 40,836.99/x - Step 3: Cross multiply
125,073.42x = 187,651.79 × 40,836.99 - Step 4: Simplify right side
125,073.42x = 7,663,134,924.36 - Step 5: Solve for x
x = 7,663,134,924.36/125,073.42 - Step 6: Final answer
x = 61,269.09
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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.