Finding the Fourth Proportional to 134,661.24, 185,832.45 and 74,232.87
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Solution
The fourth proportional to 134,661.24, 185,832.45 and 74,232.87 is: 102,441.33
Step by Step Solution
- Step 1: Write the proportion equation
134,661.24 : 185,832.45 = 74,232.87 : x - Step 2: Convert to fraction form
134,661.24/185,832.45 = 74,232.87/x - Step 3: Cross multiply
134,661.24x = 185,832.45 × 74,232.87 - Step 4: Simplify right side
134,661.24x = 13,794,876,102.63 - Step 5: Solve for x
x = 13,794,876,102.63/134,661.24 - Step 6: Final answer
x = 102,441.33
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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.