Finding the Fourth Proportional to 130,113.80, 194,738.70 and 94,473.80
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Solution
The fourth proportional to 130,113.80, 194,738.70 and 94,473.80 is: 141,397.03
Step by Step Solution
- Step 1: Write the proportion equation
130,113.80 : 194,738.70 = 94,473.80 : x - Step 2: Convert to fraction form
130,113.80/194,738.70 = 94,473.80/x - Step 3: Cross multiply
130,113.80x = 194,738.70 × 94,473.80 - Step 4: Simplify right side
130,113.80x = 18,397,704,996.06 - Step 5: Solve for x
x = 18,397,704,996.06/130,113.80 - Step 6: Final answer
x = 141,397.03
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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.