Finding the Fourth Proportional to 104,445.15, 144,137.27 and 56,701.62
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Solution
The fourth proportional to 104,445.15, 144,137.27 and 56,701.62 is: 78,249.85
Step by Step Solution
- Step 1: Write the proportion equation
104,445.15 : 144,137.27 = 56,701.62 : x - Step 2: Convert to fraction form
104,445.15/144,137.27 = 56,701.62/x - Step 3: Cross multiply
104,445.15x = 144,137.27 × 56,701.62 - Step 4: Simplify right side
104,445.15x = 8,172,816,853.13 - Step 5: Solve for x
x = 8,172,816,853.13/104,445.15 - Step 6: Final answer
x = 78,249.85
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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.