Finding the Fourth Proportional to 134,660.98, 185,832.11 and 74,232.62
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Solution
The fourth proportional to 134,660.98, 185,832.11 and 74,232.62 is: 102,440.99
Step by Step Solution
- Step 1: Write the proportion equation
134,660.98 : 185,832.11 = 74,232.62 : x - Step 2: Convert to fraction form
134,660.98/185,832.11 = 74,232.62/x - Step 3: Cross multiply
134,660.98x = 185,832.11 × 74,232.62 - Step 4: Simplify right side
134,660.98x = 13,794,804,405.43 - Step 5: Solve for x
x = 13,794,804,405.43/134,660.98 - Step 6: Final answer
x = 102,440.99
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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.