Finding the Fourth Proportional to 126,023.35, 188,838.16 and 107,226.09
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Solution
The fourth proportional to 126,023.35, 188,838.16 and 107,226.09 is: 160,671.63
Step by Step Solution
- Step 1: Write the proportion equation
126,023.35 : 188,838.16 = 107,226.09 : x - Step 2: Convert to fraction form
126,023.35/188,838.16 = 107,226.09/x - Step 3: Cross multiply
126,023.35x = 188,838.16 × 107,226.09 - Step 4: Simplify right side
126,023.35x = 20,248,377,539.59 - Step 5: Solve for x
x = 20,248,377,539.59/126,023.35 - Step 6: Final answer
x = 160,671.63
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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.