Finding the Fourth Proportional to 127,812.08, 176,366.21 and 74,085.99
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Solution
The fourth proportional to 127,812.08, 176,366.21 and 74,085.99 is: 102,230.29
Step by Step Solution
- Step 1: Write the proportion equation
127,812.08 : 176,366.21 = 74,085.99 : x - Step 2: Convert to fraction form
127,812.08/176,366.21 = 74,085.99/x - Step 3: Cross multiply
127,812.08x = 176,366.21 × 74,085.99 - Step 4: Simplify right side
127,812.08x = 13,066,264,899.97 - Step 5: Solve for x
x = 13,066,264,899.97/127,812.08 - Step 6: Final answer
x = 102,230.29
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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.