Finding the Fourth Proportional to 115,473.70, 173,210.55 and 92,145.70
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Solution
The fourth proportional to 115,473.70, 173,210.55 and 92,145.70 is: 138,218.55
Step by Step Solution
- Step 1: Write the proportion equation
115,473.70 : 173,210.55 = 92,145.70 : x - Step 2: Convert to fraction form
115,473.70/173,210.55 = 92,145.70/x - Step 3: Cross multiply
115,473.70x = 173,210.55 × 92,145.70 - Step 4: Simplify right side
115,473.70x = 15,960,607,377.14 - Step 5: Solve for x
x = 15,960,607,377.14/115,473.70 - Step 6: Final answer
x = 138,218.55
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1.5x scale
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.