Finding the Fourth Proportional to 168,168.68, 232,089.18 and 125,653.40
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Solution
The fourth proportional to 168,168.68, 232,089.18 and 125,653.40 is: 173,413.95
Step by Step Solution
- Step 1: Write the proportion equation
168,168.68 : 232,089.18 = 125,653.40 : x - Step 2: Convert to fraction form
168,168.68/232,089.18 = 125,653.40/x - Step 3: Cross multiply
168,168.68x = 232,089.18 × 125,653.40 - Step 4: Simplify right side
168,168.68x = 29,162,794,570.21 - Step 5: Solve for x
x = 29,162,794,570.21/168,168.68 - Step 6: Final answer
x = 173,413.95
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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.