Finding the Fourth Proportional to 130,450.06, 195,668.73 and 76,444.84
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Solution
The fourth proportional to 130,450.06, 195,668.73 and 76,444.84 is: 114,663.53
Step by Step Solution
- Step 1: Write the proportion equation
130,450.06 : 195,668.73 = 76,444.84 : x - Step 2: Convert to fraction form
130,450.06/195,668.73 = 76,444.84/x - Step 3: Cross multiply
130,450.06x = 195,668.73 × 76,444.84 - Step 4: Simplify right side
130,450.06x = 14,957,864,757.85 - Step 5: Solve for x
x = 14,957,864,757.85/130,450.06 - Step 6: Final answer
x = 114,663.53
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1.5x scale
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.