Finding the Fourth Proportional to 125,477.05, 173,156.17 and 68,888.02
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Solution
The fourth proportional to 125,477.05, 173,156.17 and 68,888.02 is: 95,064.28
Step by Step Solution
- Step 1: Write the proportion equation
125,477.05 : 173,156.17 = 68,888.02 : x - Step 2: Convert to fraction form
125,477.05/173,156.17 = 68,888.02/x - Step 3: Cross multiply
125,477.05x = 173,156.17 × 68,888.02 - Step 4: Simplify right side
125,477.05x = 11,928,385,702.08 - Step 5: Solve for x
x = 11,928,385,702.08/125,477.05 - Step 6: Final answer
x = 95,064.28
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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.