Finding the Fourth Proportional to 144,826.97, 199,873.52 and 81,177.08
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Solution
The fourth proportional to 144,826.97, 199,873.52 and 81,177.08 is: 112,031.26
Step by Step Solution
- Step 1: Write the proportion equation
144,826.97 : 199,873.52 = 81,177.08 : x - Step 2: Convert to fraction form
144,826.97/199,873.52 = 81,177.08/x - Step 3: Cross multiply
144,826.97x = 199,873.52 × 81,177.08 - Step 4: Simplify right side
144,826.97x = 16,225,147,317.67 - Step 5: Solve for x
x = 16,225,147,317.67/144,826.97 - Step 6: Final answer
x = 112,031.26
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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.