Finding the Fourth Proportional to 124,514.49, 170,961.84 and 121,266.93
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Solution
The fourth proportional to 124,514.49, 170,961.84 and 121,266.93 is: 166,502.85
Step by Step Solution
- Step 1: Write the proportion equation
124,514.49 : 170,961.84 = 121,266.93 : x - Step 2: Convert to fraction form
124,514.49/170,961.84 = 121,266.93/x - Step 3: Cross multiply
124,514.49x = 170,961.84 × 121,266.93 - Step 4: Simplify right side
124,514.49x = 20,732,017,483.95 - Step 5: Solve for x
x = 20,732,017,483.95/124,514.49 - Step 6: Final answer
x = 166,502.85
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.