Finding the Fourth Proportional to 142,168.84, 213,297.06 and 102,277.96
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Solution
The fourth proportional to 142,168.84, 213,297.06 and 102,277.96 is: 153,448.45
Step by Step Solution
- Step 1: Write the proportion equation
142,168.84 : 213,297.06 = 102,277.96 : x - Step 2: Convert to fraction form
142,168.84/213,297.06 = 102,277.96/x - Step 3: Cross multiply
142,168.84x = 213,297.06 × 102,277.96 - Step 4: Simplify right side
142,168.84x = 21,815,588,170.80 - Step 5: Solve for x
x = 21,815,588,170.80/142,168.84 - Step 6: Final answer
x = 153,448.45
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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.