Finding the Fourth Proportional to 132,804.74, 183,265.19 and 72,374.09
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Solution
The fourth proportional to 132,804.74, 183,265.19 and 72,374.09 is: 99,873.32
Step by Step Solution
- Step 1: Write the proportion equation
132,804.74 : 183,265.19 = 72,374.09 : x - Step 2: Convert to fraction form
132,804.74/183,265.19 = 72,374.09/x - Step 3: Cross multiply
132,804.74x = 183,265.19 × 72,374.09 - Step 4: Simplify right side
132,804.74x = 13,263,650,438.60 - Step 5: Solve for x
x = 13,263,650,438.60/132,804.74 - Step 6: Final answer
x = 99,873.32
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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.