Finding the Fourth Proportional to 110,207.43, 152,102.88 and 67,211.87
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Solution
The fourth proportional to 110,207.43, 152,102.88 and 67,211.87 is: 92,762.52
Step by Step Solution
- Step 1: Write the proportion equation
110,207.43 : 152,102.88 = 67,211.87 : x - Step 2: Convert to fraction form
110,207.43/152,102.88 = 67,211.87/x - Step 3: Cross multiply
110,207.43x = 152,102.88 × 67,211.87 - Step 4: Simplify right side
110,207.43x = 10,223,118,661.13 - Step 5: Solve for x
x = 10,223,118,661.13/110,207.43 - Step 6: Final answer
x = 92,762.52
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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.