Finding the Fourth Proportional to 147,070.08, 220,524.48 and 68,140.80
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Solution
The fourth proportional to 147,070.08, 220,524.48 and 68,140.80 is: 102,173.84
Step by Step Solution
- Step 1: Write the proportion equation
147,070.08 : 220,524.48 = 68,140.80 : x - Step 2: Convert to fraction form
147,070.08/220,524.48 = 68,140.80/x - Step 3: Cross multiply
147,070.08x = 220,524.48 × 68,140.80 - Step 4: Simplify right side
147,070.08x = 15,026,714,486.78 - Step 5: Solve for x
x = 15,026,714,486.78/147,070.08 - Step 6: Final answer
x = 102,173.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.