Finding the Fourth Proportional to 134,190.29, 185,129.48 and 86,471.44
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Solution
The fourth proportional to 134,190.29, 185,129.48 and 86,471.44 is: 119,296.35
Step by Step Solution
- Step 1: Write the proportion equation
134,190.29 : 185,129.48 = 86,471.44 : x - Step 2: Convert to fraction form
134,190.29/185,129.48 = 86,471.44/x - Step 3: Cross multiply
134,190.29x = 185,129.48 × 86,471.44 - Step 4: Simplify right side
134,190.29x = 16,008,412,475.41 - Step 5: Solve for x
x = 16,008,412,475.41/134,190.29 - Step 6: Final answer
x = 119,296.35
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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.