Finding the Fourth Proportional to 124,793.60, 172,204.80 and 68,204.80
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Solution
The fourth proportional to 124,793.60, 172,204.80 and 68,204.80 is: 94,116.96
Step by Step Solution
- Step 1: Write the proportion equation
124,793.60 : 172,204.80 = 68,204.80 : x - Step 2: Convert to fraction form
124,793.60/172,204.80 = 68,204.80/x - Step 3: Cross multiply
124,793.60x = 172,204.80 × 68,204.80 - Step 4: Simplify right side
124,793.60x = 11,745,193,943.04 - Step 5: Solve for x
x = 11,745,193,943.04/124,793.60 - Step 6: Final answer
x = 94,116.96
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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.