Finding the Fourth Proportional to 101,765.97, 152,617.86 and 70,377.75
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Solution
The fourth proportional to 101,765.97, 152,617.86 and 70,377.75 is: 105,545.12
Step by Step Solution
- Step 1: Write the proportion equation
101,765.97 : 152,617.86 = 70,377.75 : x - Step 2: Convert to fraction form
101,765.97/152,617.86 = 70,377.75/x - Step 3: Cross multiply
101,765.97x = 152,617.86 × 70,377.75 - Step 4: Simplify right side
101,765.97x = 10,740,901,596.62 - Step 5: Solve for x
x = 10,740,901,596.62/101,765.97 - Step 6: Final answer
x = 105,545.12
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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.