Finding the Fourth Proportional to 169,906.32, 254,865.96 and 86,703.12
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Solution
The fourth proportional to 169,906.32, 254,865.96 and 86,703.12 is: 130,057.99
Step by Step Solution
- Step 1: Write the proportion equation
169,906.32 : 254,865.96 = 86,703.12 : x - Step 2: Convert to fraction form
169,906.32/254,865.96 = 86,703.12/x - Step 3: Cross multiply
169,906.32x = 254,865.96 × 86,703.12 - Step 4: Simplify right side
169,906.32x = 22,097,673,913.80 - Step 5: Solve for x
x = 22,097,673,913.80/169,906.32 - Step 6: Final answer
x = 130,057.99
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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.