Finding the Fourth Proportional to 125,112.51, 187,671.84 and 36,366.75
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Solution
The fourth proportional to 125,112.51, 187,671.84 and 36,366.75 is: 54,551.02
Step by Step Solution
- Step 1: Write the proportion equation
125,112.51 : 187,671.84 = 36,366.75 : x - Step 2: Convert to fraction form
125,112.51/187,671.84 = 36,366.75/x - Step 3: Cross multiply
125,112.51x = 187,671.84 × 36,366.75 - Step 4: Simplify right side
125,112.51x = 6,825,014,887.32 - Step 5: Solve for x
x = 6,825,014,887.32/125,112.51 - Step 6: Final answer
x = 54,551.02
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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.