Finding the Fourth Proportional to 136,738.80, 204,670.80 and 97,372.80
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Solution
The fourth proportional to 136,738.80, 204,670.80 and 97,372.80 is: 145,747.72
Step by Step Solution
- Step 1: Write the proportion equation
136,738.80 : 204,670.80 = 97,372.80 : x - Step 2: Convert to fraction form
136,738.80/204,670.80 = 97,372.80/x - Step 3: Cross multiply
136,738.80x = 204,670.80 × 97,372.80 - Step 4: Simplify right side
136,738.80x = 19,929,368,874.24 - Step 5: Solve for x
x = 19,929,368,874.24/136,738.80 - Step 6: Final answer
x = 145,747.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.