Finding the Fourth Proportional to 125,147.99, 172,565.88 and 96,403.82
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Solution
The fourth proportional to 125,147.99, 172,565.88 and 96,403.82 is: 132,930.70
Step by Step Solution
- Step 1: Write the proportion equation
125,147.99 : 172,565.88 = 96,403.82 : x - Step 2: Convert to fraction form
125,147.99/172,565.88 = 96,403.82/x - Step 3: Cross multiply
125,147.99x = 172,565.88 × 96,403.82 - Step 4: Simplify right side
125,147.99x = 16,636,009,843.26 - Step 5: Solve for x
x = 16,636,009,843.26/125,147.99 - Step 6: Final answer
x = 132,930.70
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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.