Finding the Fourth Proportional to 187,117.11, 258,221.70 and 101,076.09
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Solution
The fourth proportional to 187,117.11, 258,221.70 and 101,076.09 is: 139,485.05
Step by Step Solution
- Step 1: Write the proportion equation
187,117.11 : 258,221.70 = 101,076.09 : x - Step 2: Convert to fraction form
187,117.11/258,221.70 = 101,076.09/x - Step 3: Cross multiply
187,117.11x = 258,221.70 × 101,076.09 - Step 4: Simplify right side
187,117.11x = 26,100,039,789.15 - Step 5: Solve for x
x = 26,100,039,789.15/187,117.11 - Step 6: Final answer
x = 139,485.05
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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.