Finding the Fourth Proportional to 115,029.46, 158,703.74 and 69,692.96
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Solution
The fourth proportional to 115,029.46, 158,703.74 and 69,692.96 is: 96,153.92
Step by Step Solution
- Step 1: Write the proportion equation
115,029.46 : 158,703.74 = 69,692.96 : x - Step 2: Convert to fraction form
115,029.46/158,703.74 = 69,692.96/x - Step 3: Cross multiply
115,029.46x = 158,703.74 × 69,692.96 - Step 4: Simplify right side
115,029.46x = 11,060,533,403.67 - Step 5: Solve for x
x = 11,060,533,403.67/115,029.46 - Step 6: Final answer
x = 96,153.92
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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.