Finding the Fourth Proportional to 99,973.80, 149,960.70 and 26,101.80
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Solution
The fourth proportional to 99,973.80, 149,960.70 and 26,101.80 is: 39,152.70
Step by Step Solution
- Step 1: Write the proportion equation
99,973.80 : 149,960.70 = 26,101.80 : x - Step 2: Convert to fraction form
99,973.80/149,960.70 = 26,101.80/x - Step 3: Cross multiply
99,973.80x = 149,960.70 × 26,101.80 - Step 4: Simplify right side
99,973.80x = 3,914,244,199.26 - Step 5: Solve for x
x = 3,914,244,199.26/99,973.80 - Step 6: Final answer
x = 39,152.70
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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.