Finding the Fourth Proportional to 124,884.36, 172,341.18 and 68,295.96
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Solution
The fourth proportional to 124,884.36, 172,341.18 and 68,295.96 is: 94,248.84
Step by Step Solution
- Step 1: Write the proportion equation
124,884.36 : 172,341.18 = 68,295.96 : x - Step 2: Convert to fraction form
124,884.36/172,341.18 = 68,295.96/x - Step 3: Cross multiply
124,884.36x = 172,341.18 × 68,295.96 - Step 4: Simplify right side
124,884.36x = 11,770,206,335.63 - Step 5: Solve for x
x = 11,770,206,335.63/124,884.36 - Step 6: Final answer
x = 94,248.84
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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.