Finding the Fourth Proportional to 125,898.96, 188,848.96 and 51,020.52
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Solution
The fourth proportional to 125,898.96, 188,848.96 and 51,020.52 is: 76,530.99
Step by Step Solution
- Step 1: Write the proportion equation
125,898.96 : 188,848.96 = 51,020.52 : x - Step 2: Convert to fraction form
125,898.96/188,848.96 = 51,020.52/x - Step 3: Cross multiply
125,898.96x = 188,848.96 × 51,020.52 - Step 4: Simplify right side
125,898.96x = 9,635,172,140.66 - Step 5: Solve for x
x = 9,635,172,140.66/125,898.96 - Step 6: Final answer
x = 76,530.99
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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.