Finding the Fourth Proportional to 171,874.08, 237,133.05 and 100,203.36
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Solution
The fourth proportional to 171,874.08, 237,133.05 and 100,203.36 is: 138,249.63
Step by Step Solution
- Step 1: Write the proportion equation
171,874.08 : 237,133.05 = 100,203.36 : x - Step 2: Convert to fraction form
171,874.08/237,133.05 = 100,203.36/x - Step 3: Cross multiply
171,874.08x = 237,133.05 × 100,203.36 - Step 4: Simplify right side
171,874.08x = 23,761,528,377.05 - Step 5: Solve for x
x = 23,761,528,377.05/171,874.08 - Step 6: Final answer
x = 138,249.63
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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.