Finding the Fourth Proportional to 110,711.36, 152,737.70 and 68,196.08
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Solution
The fourth proportional to 110,711.36, 152,737.70 and 68,196.08 is: 94,083.50
Step by Step Solution
- Step 1: Write the proportion equation
110,711.36 : 152,737.70 = 68,196.08 : x - Step 2: Convert to fraction form
110,711.36/152,737.70 = 68,196.08/x - Step 3: Cross multiply
110,711.36x = 152,737.70 × 68,196.08 - Step 4: Simplify right side
110,711.36x = 10,416,111,303.55 - Step 5: Solve for x
x = 10,416,111,303.55/110,711.36 - Step 6: Final answer
x = 94,083.50
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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.