Finding the Fourth Proportional to 130,061.70, 194,958.36 and 63,419.49
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Solution
The fourth proportional to 130,061.70, 194,958.36 and 63,419.49 is: 95,063.80
Step by Step Solution
- Step 1: Write the proportion equation
130,061.70 : 194,958.36 = 63,419.49 : x - Step 2: Convert to fraction form
130,061.70/194,958.36 = 63,419.49/x - Step 3: Cross multiply
130,061.70x = 194,958.36 × 63,419.49 - Step 4: Simplify right side
130,061.70x = 12,364,159,762.44 - Step 5: Solve for x
x = 12,364,159,762.44/130,061.70 - Step 6: Final answer
x = 95,063.80
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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.