Finding the Fourth Proportional to 147,238.84, 203,192.94 and 83,570.68
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Solution
The fourth proportional to 147,238.84, 203,192.94 and 83,570.68 is: 115,329.43
Step by Step Solution
- Step 1: Write the proportion equation
147,238.84 : 203,192.94 = 83,570.68 : x - Step 2: Convert to fraction form
147,238.84/203,192.94 = 83,570.68/x - Step 3: Cross multiply
147,238.84x = 203,192.94 × 83,570.68 - Step 4: Simplify right side
147,238.84x = 16,980,972,167.00 - Step 5: Solve for x
x = 16,980,972,167.00/147,238.84 - Step 6: Final answer
x = 115,329.43
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1.5x scale
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.