Finding the Fourth Proportional to 134,660.99, 185,832.10 and 74,232.62
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Solution
The fourth proportional to 134,660.99, 185,832.10 and 74,232.62 is: 102,440.98
Step by Step Solution
- Step 1: Write the proportion equation
134,660.99 : 185,832.10 = 74,232.62 : x - Step 2: Convert to fraction form
134,660.99/185,832.10 = 74,232.62/x - Step 3: Cross multiply
134,660.99x = 185,832.10 × 74,232.62 - Step 4: Simplify right side
134,660.99x = 13,794,803,663.10 - Step 5: Solve for x
x = 13,794,803,663.10/134,660.99 - Step 6: Final answer
x = 102,440.98
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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.