Finding the Fourth Proportional to 116,792.71, 161,163.36 and 65,813.74
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Solution
The fourth proportional to 116,792.71, 161,163.36 and 65,813.74 is: 90,817.00
Step by Step Solution
- Step 1: Write the proportion equation
116,792.71 : 161,163.36 = 65,813.74 : x - Step 2: Convert to fraction form
116,792.71/161,163.36 = 65,813.74/x - Step 3: Cross multiply
116,792.71x = 161,163.36 × 65,813.74 - Step 4: Simplify right side
116,792.71x = 10,606,763,472.57 - Step 5: Solve for x
x = 10,606,763,472.57/116,792.71 - Step 6: Final answer
x = 90,817.00
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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.