Finding the Fourth Proportional to 110,133.48, 151,950.07 and 61,728.70
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Solution
The fourth proportional to 110,133.48, 151,950.07 and 61,728.70 is: 85,166.48
Step by Step Solution
- Step 1: Write the proportion equation
110,133.48 : 151,950.07 = 61,728.70 : x - Step 2: Convert to fraction form
110,133.48/151,950.07 = 61,728.70/x - Step 3: Cross multiply
110,133.48x = 151,950.07 × 61,728.70 - Step 4: Simplify right side
110,133.48x = 9,379,680,286.01 - Step 5: Solve for x
x = 9,379,680,286.01/110,133.48 - Step 6: Final answer
x = 85,166.48
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1.5x scale
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.