Finding the Fourth Proportional to 119,469.02, 164,865.99 and 65,752.88
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Solution
The fourth proportional to 119,469.02, 164,865.99 and 65,752.88 is: 90,738.28
Step by Step Solution
- Step 1: Write the proportion equation
119,469.02 : 164,865.99 = 65,752.88 : x - Step 2: Convert to fraction form
119,469.02/164,865.99 = 65,752.88/x - Step 3: Cross multiply
119,469.02x = 164,865.99 × 65,752.88 - Step 4: Simplify right side
119,469.02x = 10,840,413,656.55 - Step 5: Solve for x
x = 10,840,413,656.55/119,469.02 - Step 6: Final answer
x = 90,738.28
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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.