Finding the Fourth Proportional to 187,059.75, 258,142.50 and 102,176.79
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Solution
The fourth proportional to 187,059.75, 258,142.50 and 102,176.79 is: 141,003.99
Step by Step Solution
- Step 1: Write the proportion equation
187,059.75 : 258,142.50 = 102,176.79 : x - Step 2: Convert to fraction form
187,059.75/258,142.50 = 102,176.79/x - Step 3: Cross multiply
187,059.75x = 258,142.50 × 102,176.79 - Step 4: Simplify right side
187,059.75x = 26,376,172,012.58 - Step 5: Solve for x
x = 26,376,172,012.58/187,059.75 - Step 6: Final answer
x = 141,003.99
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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.