Finding the Fourth Proportional to 101,141.76, 139,596.84 and 67,153.08
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Solution
The fourth proportional to 101,141.76, 139,596.84 and 67,153.08 is: 92,685.33
Step by Step Solution
- Step 1: Write the proportion equation
101,141.76 : 139,596.84 = 67,153.08 : x - Step 2: Convert to fraction form
101,141.76/139,596.84 = 67,153.08/x - Step 3: Cross multiply
101,141.76x = 139,596.84 × 67,153.08 - Step 4: Simplify right side
101,141.76x = 9,374,357,764.27 - Step 5: Solve for x
x = 9,374,357,764.27/101,141.76 - Step 6: Final answer
x = 92,685.33
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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.