Finding the Fourth Proportional to 158,495.48, 237,891.12 and 83,670.92
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Solution
The fourth proportional to 158,495.48, 237,891.12 and 83,670.92 is: 125,584.46
Step by Step Solution
- Step 1: Write the proportion equation
158,495.48 : 237,891.12 = 83,670.92 : x - Step 2: Convert to fraction form
158,495.48/237,891.12 = 83,670.92/x - Step 3: Cross multiply
158,495.48x = 237,891.12 × 83,670.92 - Step 4: Simplify right side
158,495.48x = 19,904,568,870.23 - Step 5: Solve for x
x = 19,904,568,870.23/158,495.48 - Step 6: Final answer
x = 125,584.46
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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.