Finding the Fourth Proportional to 157,174.62, 216,750.09 and 105,608.19
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Solution
The fourth proportional to 157,174.62, 216,750.09 and 105,608.19 is: 145,637.92
Step by Step Solution
- Step 1: Write the proportion equation
157,174.62 : 216,750.09 = 105,608.19 : x - Step 2: Convert to fraction form
157,174.62/216,750.09 = 105,608.19/x - Step 3: Cross multiply
157,174.62x = 216,750.09 × 105,608.19 - Step 4: Simplify right side
157,174.62x = 22,890,584,687.24 - Step 5: Solve for x
x = 22,890,584,687.24/157,174.62 - Step 6: Final answer
x = 145,637.92
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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.