Finding the Fourth Proportional to 134,676.64, 185,855.07 and 74,249.70
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Solution
The fourth proportional to 134,676.64, 185,855.07 and 74,249.70 is: 102,465.31
Step by Step Solution
- Step 1: Write the proportion equation
134,676.64 : 185,855.07 = 74,249.70 : x - Step 2: Convert to fraction form
134,676.64/185,855.07 = 74,249.70/x - Step 3: Cross multiply
134,676.64x = 185,855.07 × 74,249.70 - Step 4: Simplify right side
134,676.64x = 13,799,683,190.98 - Step 5: Solve for x
x = 13,799,683,190.98/134,676.64 - Step 6: Final answer
x = 102,465.31
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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.