Finding the Fourth Proportional to 126,514.73, 174,590.50 and 72,798.68
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Solution
The fourth proportional to 126,514.73, 174,590.50 and 72,798.68 is: 100,462.28
Step by Step Solution
- Step 1: Write the proportion equation
126,514.73 : 174,590.50 = 72,798.68 : x - Step 2: Convert to fraction form
126,514.73/174,590.50 = 72,798.68/x - Step 3: Cross multiply
126,514.73x = 174,590.50 × 72,798.68 - Step 4: Simplify right side
126,514.73x = 12,709,957,940.54 - Step 5: Solve for x
x = 12,709,957,940.54/126,514.73 - Step 6: Final answer
x = 100,462.28
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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.