Finding the Fourth Proportional to 125,488.17, 173,173.81 and 74,511.08
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Solution
The fourth proportional to 125,488.17, 173,173.81 and 74,511.08 is: 102,825.37
Step by Step Solution
- Step 1: Write the proportion equation
125,488.17 : 173,173.81 = 74,511.08 : x - Step 2: Convert to fraction form
125,488.17/173,173.81 = 74,511.08/x - Step 3: Cross multiply
125,488.17x = 173,173.81 × 74,511.08 - Step 4: Simplify right side
125,488.17x = 12,903,367,238.26 - Step 5: Solve for x
x = 12,903,367,238.26/125,488.17 - Step 6: Final answer
x = 102,825.37
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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.