Finding the Fourth Proportional to 114,351.38, 157,804.91 and 69,639.38
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Solution
The fourth proportional to 114,351.38, 157,804.91 and 69,639.38 is: 96,102.34
Step by Step Solution
- Step 1: Write the proportion equation
114,351.38 : 157,804.91 = 69,639.38 : x - Step 2: Convert to fraction form
114,351.38/157,804.91 = 69,639.38/x - Step 3: Cross multiply
114,351.38x = 157,804.91 × 69,639.38 - Step 4: Simplify right side
114,351.38x = 10,989,434,956.13 - Step 5: Solve for x
x = 10,989,434,956.13/114,351.38 - Step 6: Final answer
x = 96,102.34
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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.