Finding the Fourth Proportional to 125,847.36, 173,671.14 and 68,488.42
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Solution
The fourth proportional to 125,847.36, 173,671.14 and 68,488.42 is: 94,514.99
Step by Step Solution
- Step 1: Write the proportion equation
125,847.36 : 173,671.14 = 68,488.42 : x - Step 2: Convert to fraction form
125,847.36/173,671.14 = 68,488.42/x - Step 3: Cross multiply
125,847.36x = 173,671.14 × 68,488.42 - Step 4: Simplify right side
125,847.36x = 11,894,461,978.20 - Step 5: Solve for x
x = 11,894,461,978.20/125,847.36 - Step 6: Final answer
x = 94,514.99
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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.