Finding the Fourth Proportional to 136,496.51, 204,761.16 and 129,031.55
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Solution
The fourth proportional to 136,496.51, 204,761.16 and 129,031.55 is: 193,562.82
Step by Step Solution
- Step 1: Write the proportion equation
136,496.51 : 204,761.16 = 129,031.55 : x - Step 2: Convert to fraction form
136,496.51/204,761.16 = 129,031.55/x - Step 3: Cross multiply
136,496.51x = 204,761.16 × 129,031.55 - Step 4: Simplify right side
136,496.51x = 26,420,648,830.79 - Step 5: Solve for x
x = 26,420,648,830.79/136,496.51 - Step 6: Final answer
x = 193,562.82
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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.