Finding the Fourth Proportional to 159,194.97, 219,669.05 and 107,624.21
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Solution
The fourth proportional to 159,194.97, 219,669.05 and 107,624.21 is: 148,507.88
Step by Step Solution
- Step 1: Write the proportion equation
159,194.97 : 219,669.05 = 107,624.21 : x - Step 2: Convert to fraction form
159,194.97/219,669.05 = 107,624.21/x - Step 3: Cross multiply
159,194.97x = 219,669.05 × 107,624.21 - Step 4: Simplify right side
159,194.97x = 23,641,707,768.67 - Step 5: Solve for x
x = 23,641,707,768.67/159,194.97 - Step 6: Final answer
x = 148,507.88
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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.