Finding the Fourth Proportional to 158,493.48, 237,888.12 and 83,668.92
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Solution
The fourth proportional to 158,493.48, 237,888.12 and 83,668.92 is: 125,581.46
Step by Step Solution
- Step 1: Write the proportion equation
158,493.48 : 237,888.12 = 83,668.92 : x - Step 2: Convert to fraction form
158,493.48/237,888.12 = 83,668.92/x - Step 3: Cross multiply
158,493.48x = 237,888.12 × 83,668.92 - Step 4: Simplify right side
158,493.48x = 19,903,842,081.23 - Step 5: Solve for x
x = 19,903,842,081.23/158,493.48 - Step 6: Final answer
x = 125,581.46
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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.