Finding the Fourth Proportional to 139,204.04, 192,102.08 and 75,541.82
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Solution
The fourth proportional to 139,204.04, 192,102.08 and 75,541.82 is: 104,247.99
Step by Step Solution
- Step 1: Write the proportion equation
139,204.04 : 192,102.08 = 75,541.82 : x - Step 2: Convert to fraction form
139,204.04/192,102.08 = 75,541.82/x - Step 3: Cross multiply
139,204.04x = 192,102.08 × 75,541.82 - Step 4: Simplify right side
139,204.04x = 14,511,740,748.99 - Step 5: Solve for x
x = 14,511,740,748.99/139,204.04 - Step 6: Final answer
x = 104,247.99
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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.