Finding the Fourth Proportional to 134,252.37, 201,367.97 and 78,056.63
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Solution
The fourth proportional to 134,252.37, 201,367.97 and 78,056.63 is: 117,078.78
Step by Step Solution
- Step 1: Write the proportion equation
134,252.37 : 201,367.97 = 78,056.63 : x - Step 2: Convert to fraction form
134,252.37/201,367.97 = 78,056.63/x - Step 3: Cross multiply
134,252.37x = 201,367.97 × 78,056.63 - Step 4: Simplify right side
134,252.37x = 15,718,103,731.02 - Step 5: Solve for x
x = 15,718,103,731.02/134,252.37 - Step 6: Final answer
x = 117,078.78
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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.