Finding the Fourth Proportional to 134,713.20, 185,912.64 and 74,283.84
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Solution
The fourth proportional to 134,713.20, 185,912.64 and 74,283.84 is: 102,516.34
Step by Step Solution
- Step 1: Write the proportion equation
134,713.20 : 185,912.64 = 74,283.84 : x - Step 2: Convert to fraction form
134,713.20/185,912.64 = 74,283.84/x - Step 3: Cross multiply
134,713.20x = 185,912.64 × 74,283.84 - Step 4: Simplify right side
134,713.20x = 13,810,304,803.74 - Step 5: Solve for x
x = 13,810,304,803.74/134,713.20 - Step 6: Final answer
x = 102,516.34
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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.