Finding the Fourth Proportional to 124,776.70, 172,191.93 and 68,188.08
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Solution
The fourth proportional to 124,776.70, 172,191.93 and 68,188.08 is: 94,099.59
Step by Step Solution
- Step 1: Write the proportion equation
124,776.70 : 172,191.93 = 68,188.08 : x - Step 2: Convert to fraction form
124,776.70/172,191.93 = 68,188.08/x - Step 3: Cross multiply
124,776.70x = 172,191.93 × 68,188.08 - Step 4: Simplify right side
124,776.70x = 11,741,436,519.63 - Step 5: Solve for x
x = 11,741,436,519.63/124,776.70 - Step 6: Final answer
x = 94,099.59
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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.