Finding the Fourth Proportional to 191,533.76, 287,100.99 and 107,170.23
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Solution
The fourth proportional to 191,533.76, 287,100.99 and 107,170.23 is: 160,643.64
Step by Step Solution
- Step 1: Write the proportion equation
191,533.76 : 287,100.99 = 107,170.23 : x - Step 2: Convert to fraction form
191,533.76/287,100.99 = 107,170.23/x - Step 3: Cross multiply
191,533.76x = 287,100.99 × 107,170.23 - Step 4: Simplify right side
191,533.76x = 30,768,679,131.53 - Step 5: Solve for x
x = 30,768,679,131.53/191,533.76 - Step 6: Final answer
x = 160,643.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.