Finding the Fourth Proportional to 134,879.10, 202,537.35 and 90,701.70
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Solution
The fourth proportional to 134,879.10, 202,537.35 and 90,701.70 is: 136,199.62
Step by Step Solution
- Step 1: Write the proportion equation
134,879.10 : 202,537.35 = 90,701.70 : x - Step 2: Convert to fraction form
134,879.10/202,537.35 = 90,701.70/x - Step 3: Cross multiply
134,879.10x = 202,537.35 × 90,701.70 - Step 4: Simplify right side
134,879.10x = 18,370,481,958.50 - Step 5: Solve for x
x = 18,370,481,958.50/134,879.10 - Step 6: Final answer
x = 136,199.62
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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.