Finding the Fourth Proportional to 147,476.71, 203,469.73 and 87,026.95
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Solution
The fourth proportional to 147,476.71, 203,469.73 and 87,026.95 is: 120,068.79
Step by Step Solution
- Step 1: Write the proportion equation
147,476.71 : 203,469.73 = 87,026.95 : x - Step 2: Convert to fraction form
147,476.71/203,469.73 = 87,026.95/x - Step 3: Cross multiply
147,476.71x = 203,469.73 × 87,026.95 - Step 4: Simplify right side
147,476.71x = 17,707,350,019.22 - Step 5: Solve for x
x = 17,707,350,019.22/147,476.71 - Step 6: Final answer
x = 120,068.79
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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.