Finding the Fourth Proportional to 168,138.68, 232,047.69 and 125,623.40
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Solution
The fourth proportional to 168,138.68, 232,047.69 and 125,623.40 is: 173,372.48
Step by Step Solution
- Step 1: Write the proportion equation
168,138.68 : 232,047.69 = 125,623.40 : x - Step 2: Convert to fraction form
168,138.68/232,047.69 = 125,623.40/x - Step 3: Cross multiply
168,138.68x = 232,047.69 × 125,623.40 - Step 4: Simplify right side
168,138.68x = 29,150,619,779.95 - Step 5: Solve for x
x = 29,150,619,779.95/168,138.68 - Step 6: Final answer
x = 173,372.48
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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.