Finding the Fourth Proportional to 120,098.19, 180,173.01 and 35,864.99
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Solution
The fourth proportional to 120,098.19, 180,173.01 and 35,864.99 is: 53,805.17
Step by Step Solution
- Step 1: Write the proportion equation
120,098.19 : 180,173.01 = 35,864.99 : x - Step 2: Convert to fraction form
120,098.19/180,173.01 = 35,864.99/x - Step 3: Cross multiply
120,098.19x = 180,173.01 × 35,864.99 - Step 4: Simplify right side
120,098.19x = 6,461,903,201.92 - Step 5: Solve for x
x = 6,461,903,201.92/120,098.19 - Step 6: Final answer
x = 53,805.17
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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.