Finding the Fourth Proportional to 135,497.50, 186,911.21 and 106,711.11
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Solution
The fourth proportional to 135,497.50, 186,911.21 and 106,711.11 is: 147,202.00
Step by Step Solution
- Step 1: Write the proportion equation
135,497.50 : 186,911.21 = 106,711.11 : x - Step 2: Convert to fraction form
135,497.50/186,911.21 = 106,711.11/x - Step 3: Cross multiply
135,497.50x = 186,911.21 × 106,711.11 - Step 4: Simplify right side
135,497.50x = 19,945,502,156.99 - Step 5: Solve for x
x = 19,945,502,156.99/135,497.50 - Step 6: Final answer
x = 147,202.00
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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.