Finding the Fourth Proportional to 147,141.52, 203,077.16 and 86,692.84
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Solution
The fourth proportional to 147,141.52, 203,077.16 and 86,692.84 is: 119,649.00
Step by Step Solution
- Step 1: Write the proportion equation
147,141.52 : 203,077.16 = 86,692.84 : x - Step 2: Convert to fraction form
147,141.52/203,077.16 = 86,692.84/x - Step 3: Cross multiply
147,141.52x = 203,077.16 × 86,692.84 - Step 4: Simplify right side
147,141.52x = 17,605,335,739.53 - Step 5: Solve for x
x = 17,605,335,739.53/147,141.52 - Step 6: Final answer
x = 119,649.00
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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.