Finding the Fourth Proportional to 124,754.58, 172,161.86 and 68,167.17
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Solution
The fourth proportional to 124,754.58, 172,161.86 and 68,167.17 is: 94,070.99
Step by Step Solution
- Step 1: Write the proportion equation
124,754.58 : 172,161.86 = 68,167.17 : x - Step 2: Convert to fraction form
124,754.58/172,161.86 = 68,167.17/x - Step 3: Cross multiply
124,754.58x = 172,161.86 × 68,167.17 - Step 4: Simplify right side
124,754.58x = 11,735,786,437.30 - Step 5: Solve for x
x = 11,735,786,437.30/124,754.58 - Step 6: Final answer
x = 94,070.99
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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.