Finding the Fourth Proportional to 168,678.50, 232,625.67 and 139,952.68
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Solution
The fourth proportional to 168,678.50, 232,625.67 and 139,952.68 is: 193,009.70
Step by Step Solution
- Step 1: Write the proportion equation
168,678.50 : 232,625.67 = 139,952.68 : x - Step 2: Convert to fraction form
168,678.50/232,625.67 = 139,952.68/x - Step 3: Cross multiply
168,678.50x = 232,625.67 × 139,952.68 - Step 4: Simplify right side
168,678.50x = 32,556,585,953.30 - Step 5: Solve for x
x = 32,556,585,953.30/168,678.50 - Step 6: Final answer
x = 193,009.70
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1.5x scale
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.