Finding the Fourth Proportional to 120,867.95, 181,239.64 and 54,250.99
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Solution
The fourth proportional to 120,867.95, 181,239.64 and 54,250.99 is: 81,348.53
Step by Step Solution
- Step 1: Write the proportion equation
120,867.95 : 181,239.64 = 54,250.99 : x - Step 2: Convert to fraction form
120,867.95/181,239.64 = 54,250.99/x - Step 3: Cross multiply
120,867.95x = 181,239.64 × 54,250.99 - Step 4: Simplify right side
120,867.95x = 9,832,429,897.24 - Step 5: Solve for x
x = 9,832,429,897.24/120,867.95 - Step 6: Final answer
x = 81,348.53
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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.