Finding the Fourth Proportional to 139,582.06, 192,605.76 and 94,358.44
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Solution
The fourth proportional to 139,582.06, 192,605.76 and 94,358.44 is: 130,202.83
Step by Step Solution
- Step 1: Write the proportion equation
139,582.06 : 192,605.76 = 94,358.44 : x - Step 2: Convert to fraction form
139,582.06/192,605.76 = 94,358.44/x - Step 3: Cross multiply
139,582.06x = 192,605.76 × 94,358.44 - Step 4: Simplify right side
139,582.06x = 18,173,979,048.61 - Step 5: Solve for x
x = 18,173,979,048.61/139,582.06 - Step 6: Final answer
x = 130,202.83
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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.