Finding the Fourth Proportional to 187,651.07, 258,958.58 and 102,768.13
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Solution
The fourth proportional to 187,651.07, 258,958.58 and 102,768.13 is: 141,820.08
Step by Step Solution
- Step 1: Write the proportion equation
187,651.07 : 258,958.58 = 102,768.13 : x - Step 2: Convert to fraction form
187,651.07/258,958.58 = 102,768.13/x - Step 3: Cross multiply
187,651.07x = 258,958.58 × 102,768.13 - Step 4: Simplify right side
187,651.07x = 26,612,689,014.06 - Step 5: Solve for x
x = 26,612,689,014.06/187,651.07 - Step 6: Final answer
x = 141,820.08
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1.5x scale
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.