Finding the Fourth Proportional to 131,525.70, 181,523.24 and 74,176.81
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Solution
The fourth proportional to 131,525.70, 181,523.24 and 74,176.81 is: 102,374.02
Step by Step Solution
- Step 1: Write the proportion equation
131,525.70 : 181,523.24 = 74,176.81 : x - Step 2: Convert to fraction form
131,525.70/181,523.24 = 74,176.81/x - Step 3: Cross multiply
131,525.70x = 181,523.24 × 74,176.81 - Step 4: Simplify right side
131,525.70x = 13,464,814,884.06 - Step 5: Solve for x
x = 13,464,814,884.06/131,525.70 - Step 6: Final answer
x = 102,374.02
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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.