Finding the Fourth Proportional to 134,198.41, 185,194.19 and 76,838.62
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Solution
The fourth proportional to 134,198.41, 185,194.19 and 76,838.62 is: 106,037.52
Step by Step Solution
- Step 1: Write the proportion equation
134,198.41 : 185,194.19 = 76,838.62 : x - Step 2: Convert to fraction form
134,198.41/185,194.19 = 76,838.62/x - Step 3: Cross multiply
134,198.41x = 185,194.19 × 76,838.62 - Step 4: Simplify right side
134,198.41x = 14,230,065,991.62 - Step 5: Solve for x
x = 14,230,065,991.62/134,198.41 - Step 6: Final answer
x = 106,037.52
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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.