Finding the Fourth Proportional to 127,616.79, 176,108.18 and 71,026.95
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Solution
The fourth proportional to 127,616.79, 176,108.18 and 71,026.95 is: 98,015.52
Step by Step Solution
- Step 1: Write the proportion equation
127,616.79 : 176,108.18 = 71,026.95 : x - Step 2: Convert to fraction form
127,616.79/176,108.18 = 71,026.95/x - Step 3: Cross multiply
127,616.79x = 176,108.18 × 71,026.95 - Step 4: Simplify right side
127,616.79x = 12,508,426,540.32 - Step 5: Solve for x
x = 12,508,426,540.32/127,616.79 - Step 6: Final answer
x = 98,015.52
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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.