Finding the Fourth Proportional to 140,497.94, 193,890.00 and 76,839.84
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Solution
The fourth proportional to 140,497.94, 193,890.00 and 76,839.84 is: 106,040.53
Step by Step Solution
- Step 1: Write the proportion equation
140,497.94 : 193,890.00 = 76,839.84 : x - Step 2: Convert to fraction form
140,497.94/193,890.00 = 76,839.84/x - Step 3: Cross multiply
140,497.94x = 193,890.00 × 76,839.84 - Step 4: Simplify right side
140,497.94x = 14,898,476,865.75 - Step 5: Solve for x
x = 14,898,476,865.75/140,497.94 - Step 6: Final answer
x = 106,040.53
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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.