Finding the Fourth Proportional to 124,822.13, 172,251.29 and 73,837.49
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Solution
The fourth proportional to 124,822.13, 172,251.29 and 73,837.49 is: 101,893.81
Step by Step Solution
- Step 1: Write the proportion equation
124,822.13 : 172,251.29 = 73,837.49 : x - Step 2: Convert to fraction form
124,822.13/172,251.29 = 73,837.49/x - Step 3: Cross multiply
124,822.13x = 172,251.29 × 73,837.49 - Step 4: Simplify right side
124,822.13x = 12,718,602,226.20 - Step 5: Solve for x
x = 12,718,602,226.20/124,822.13 - Step 6: Final answer
x = 101,893.81
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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.