Finding the Fourth Proportional to 147,693.14, 203,813.92 and 84,029.58
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Solution
The fourth proportional to 147,693.14, 203,813.92 and 84,029.58 is: 115,959.33
Step by Step Solution
- Step 1: Write the proportion equation
147,693.14 : 203,813.92 = 84,029.58 : x - Step 2: Convert to fraction form
147,693.14/203,813.92 = 84,029.58/x - Step 3: Cross multiply
147,693.14x = 203,813.92 × 84,029.58 - Step 4: Simplify right side
147,693.14x = 17,126,398,095.75 - Step 5: Solve for x
x = 17,126,398,095.75/147,693.14 - Step 6: Final answer
x = 115,959.33
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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.