Finding the Fourth Proportional to 119,414.66, 164,799.09 and 65,700.99
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Solution
The fourth proportional to 119,414.66, 164,799.09 and 65,700.99 is: 90,671.14
Step by Step Solution
- Step 1: Write the proportion equation
119,414.66 : 164,799.09 = 65,700.99 : x - Step 2: Convert to fraction form
119,414.66/164,799.09 = 65,700.99/x - Step 3: Cross multiply
119,414.66x = 164,799.09 × 65,700.99 - Step 4: Simplify right side
119,414.66x = 10,827,463,364.10 - Step 5: Solve for x
x = 10,827,463,364.10/119,414.66 - Step 6: Final answer
x = 90,671.14
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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.