Finding the Fourth Proportional to 145,720.35, 201,097.98 and 82,060.38
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Solution
The fourth proportional to 145,720.35, 201,097.98 and 82,060.38 is: 113,245.52
Step by Step Solution
- Step 1: Write the proportion equation
145,720.35 : 201,097.98 = 82,060.38 : x - Step 2: Convert to fraction form
145,720.35/201,097.98 = 82,060.38/x - Step 3: Cross multiply
145,720.35x = 201,097.98 × 82,060.38 - Step 4: Simplify right side
145,720.35x = 16,502,176,656.03 - Step 5: Solve for x
x = 16,502,176,656.03/145,720.35 - Step 6: Final answer
x = 113,245.52
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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.