Finding the Fourth Proportional to 125,249.88, 187,187.14 and 91,586.80
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Solution
The fourth proportional to 125,249.88, 187,187.14 and 91,586.80 is: 136,877.35
Step by Step Solution
- Step 1: Write the proportion equation
125,249.88 : 187,187.14 = 91,586.80 : x - Step 2: Convert to fraction form
125,249.88/187,187.14 = 91,586.80/x - Step 3: Cross multiply
125,249.88x = 187,187.14 × 91,586.80 - Step 4: Simplify right side
125,249.88x = 17,143,871,153.75 - Step 5: Solve for x
x = 17,143,871,153.75/125,249.88 - Step 6: Final answer
x = 136,877.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.