Finding the Fourth Proportional to 121,934.23, 182,959.66 and 43,085.59
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Solution
The fourth proportional to 121,934.23, 182,959.66 and 43,085.59 is: 64,648.99
Step by Step Solution
- Step 1: Write the proportion equation
121,934.23 : 182,959.66 = 43,085.59 : x - Step 2: Convert to fraction form
121,934.23/182,959.66 = 43,085.59/x - Step 3: Cross multiply
121,934.23x = 182,959.66 × 43,085.59 - Step 4: Simplify right side
121,934.23x = 7,882,924,493.76 - Step 5: Solve for x
x = 7,882,924,493.76/121,934.23 - Step 6: Final answer
x = 64,648.99
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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.