Finding the Fourth Proportional to 121,376.95, 182,087.29 and 37,135.53
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Solution
The fourth proportional to 121,376.95, 182,087.29 and 37,135.53 is: 55,709.98
Step by Step Solution
- Step 1: Write the proportion equation
121,376.95 : 182,087.29 = 37,135.53 : x - Step 2: Convert to fraction form
121,376.95/182,087.29 = 37,135.53/x - Step 3: Cross multiply
121,376.95x = 182,087.29 × 37,135.53 - Step 4: Simplify right side
121,376.95x = 6,761,908,020.41 - Step 5: Solve for x
x = 6,761,908,020.41/121,376.95 - Step 6: Final answer
x = 55,709.98
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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.