Finding the Fourth Proportional to 186,139.24, 256,874.12 and 101,256.52
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Solution
The fourth proportional to 186,139.24, 256,874.12 and 101,256.52 is: 139,735.07
Step by Step Solution
- Step 1: Write the proportion equation
186,139.24 : 256,874.12 = 101,256.52 : x - Step 2: Convert to fraction form
186,139.24/256,874.12 = 101,256.52/x - Step 3: Cross multiply
186,139.24x = 256,874.12 × 101,256.52 - Step 4: Simplify right side
186,139.24x = 26,010,179,469.26 - Step 5: Solve for x
x = 26,010,179,469.26/186,139.24 - Step 6: Final answer
x = 139,735.07
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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.