Finding the Fourth Proportional to 132,847.21, 183,327.64 and 72,416.53
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Solution
The fourth proportional to 132,847.21, 183,327.64 and 72,416.53 is: 99,933.99
Step by Step Solution
- Step 1: Write the proportion equation
132,847.21 : 183,327.64 = 72,416.53 : x - Step 2: Convert to fraction form
132,847.21/183,327.64 = 72,416.53/x - Step 3: Cross multiply
132,847.21x = 183,327.64 × 72,416.53 - Step 4: Simplify right side
132,847.21x = 13,275,951,541.89 - Step 5: Solve for x
x = 13,275,951,541.89/132,847.21 - Step 6: Final answer
x = 99,933.99
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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.