Finding the Fourth Proportional to 135,544.44, 187,058.52 and 75,121.68
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Solution
The fourth proportional to 135,544.44, 187,058.52 and 75,121.68 is: 103,671.90
Step by Step Solution
- Step 1: Write the proportion equation
135,544.44 : 187,058.52 = 75,121.68 : x - Step 2: Convert to fraction form
135,544.44/187,058.52 = 75,121.68/x - Step 3: Cross multiply
135,544.44x = 187,058.52 × 75,121.68 - Step 4: Simplify right side
135,544.44x = 14,052,150,280.71 - Step 5: Solve for x
x = 14,052,150,280.71/135,544.44 - Step 6: Final answer
x = 103,671.90
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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.