Finding the Fourth Proportional to 139,982.08, 193,206.48 and 88,984.84
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Solution
The fourth proportional to 139,982.08, 193,206.48 and 88,984.84 is: 122,818.92
Step by Step Solution
- Step 1: Write the proportion equation
139,982.08 : 193,206.48 = 88,984.84 : x - Step 2: Convert to fraction form
139,982.08/193,206.48 = 88,984.84/x - Step 3: Cross multiply
139,982.08x = 193,206.48 × 88,984.84 - Step 4: Simplify right side
139,982.08x = 17,192,447,709.76 - Step 5: Solve for x
x = 17,192,447,709.76/139,982.08 - Step 6: Final answer
x = 122,818.92
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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.