Finding the Fourth Proportional to 132,869.04, 199,303.56 and 91,189.68
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Solution
The fourth proportional to 132,869.04, 199,303.56 and 91,189.68 is: 136,784.52
Step by Step Solution
- Step 1: Write the proportion equation
132,869.04 : 199,303.56 = 91,189.68 : x - Step 2: Convert to fraction form
132,869.04/199,303.56 = 91,189.68/x - Step 3: Cross multiply
132,869.04x = 199,303.56 × 91,189.68 - Step 4: Simplify right side
132,869.04x = 18,174,427,859.26 - Step 5: Solve for x
x = 18,174,427,859.26/132,869.04 - Step 6: Final answer
x = 136,784.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.