Finding the Fourth Proportional to 173,661.68, 239,572.68 and 102,040.40
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Solution
The fourth proportional to 173,661.68, 239,572.68 and 102,040.40 is: 140,768.49
Step by Step Solution
- Step 1: Write the proportion equation
173,661.68 : 239,572.68 = 102,040.40 : x - Step 2: Convert to fraction form
173,661.68/239,572.68 = 102,040.40/x - Step 3: Cross multiply
173,661.68x = 239,572.68 × 102,040.40 - Step 4: Simplify right side
173,661.68x = 24,446,092,096.27 - Step 5: Solve for x
x = 24,446,092,096.27/173,661.68 - Step 6: Final answer
x = 140,768.49
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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.