Finding the Fourth Proportional to 132,619.68, 183,014.64 and 72,193.68
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Solution
The fourth proportional to 132,619.68, 183,014.64 and 72,193.68 is: 99,627.00
Step by Step Solution
- Step 1: Write the proportion equation
132,619.68 : 183,014.64 = 72,193.68 : x - Step 2: Convert to fraction form
132,619.68/183,014.64 = 72,193.68/x - Step 3: Cross multiply
132,619.68x = 183,014.64 × 72,193.68 - Step 4: Simplify right side
132,619.68x = 13,212,500,355.48 - Step 5: Solve for x
x = 13,212,500,355.48/132,619.68 - Step 6: Final answer
x = 99,627.00
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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.