Finding the Fourth Proportional to 145,768.13, 201,160.73 and 82,106.93
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Solution
The fourth proportional to 145,768.13, 201,160.73 and 82,106.93 is: 113,307.96
Step by Step Solution
- Step 1: Write the proportion equation
145,768.13 : 201,160.73 = 82,106.93 : x - Step 2: Convert to fraction form
145,768.13/201,160.73 = 82,106.93/x - Step 3: Cross multiply
145,768.13x = 201,160.73 × 82,106.93 - Step 4: Simplify right side
145,768.13x = 16,516,689,566.32 - Step 5: Solve for x
x = 16,516,689,566.32/145,768.13 - Step 6: Final answer
x = 113,307.96
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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.