Finding the Fourth Proportional to 109,934.66, 151,709.88 and 62,186.99
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Solution
The fourth proportional to 109,934.66, 151,709.88 and 62,186.99 is: 85,818.07
Step by Step Solution
- Step 1: Write the proportion equation
109,934.66 : 151,709.88 = 62,186.99 : x - Step 2: Convert to fraction form
109,934.66/151,709.88 = 62,186.99/x - Step 3: Cross multiply
109,934.66x = 151,709.88 × 62,186.99 - Step 4: Simplify right side
109,934.66x = 9,434,380,790.46 - Step 5: Solve for x
x = 9,434,380,790.46/109,934.66 - Step 6: Final answer
x = 85,818.07
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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.