Finding the Fourth Proportional to 107,102.01, 147,733.68 and 68,911.32
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Solution
The fourth proportional to 107,102.01, 147,733.68 and 68,911.32 is: 95,054.45
Step by Step Solution
- Step 1: Write the proportion equation
107,102.01 : 147,733.68 = 68,911.32 : x - Step 2: Convert to fraction form
107,102.01/147,733.68 = 68,911.32/x - Step 3: Cross multiply
107,102.01x = 147,733.68 × 68,911.32 - Step 4: Simplify right side
107,102.01x = 10,180,522,897.26 - Step 5: Solve for x
x = 10,180,522,897.26/107,102.01 - Step 6: Final answer
x = 95,054.45
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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.