Finding the Fourth Proportional to 125,902.59, 188,789.73 and 61,864.99
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Solution
The fourth proportional to 125,902.59, 188,789.73 and 61,864.99 is: 92,765.96
Step by Step Solution
- Step 1: Write the proportion equation
125,902.59 : 188,789.73 = 61,864.99 : x - Step 2: Convert to fraction form
125,902.59/188,789.73 = 61,864.99/x - Step 3: Cross multiply
125,902.59x = 188,789.73 × 61,864.99 - Step 4: Simplify right side
125,902.59x = 11,679,475,288.28 - Step 5: Solve for x
x = 11,679,475,288.28/125,902.59 - Step 6: Final answer
x = 92,765.96
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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.