Finding the Fourth Proportional to 162,860.13, 224,744.35 and 91,239.93
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Solution
The fourth proportional to 162,860.13, 224,744.35 and 91,239.93 is: 125,909.63
Step by Step Solution
- Step 1: Write the proportion equation
162,860.13 : 224,744.35 = 91,239.93 : x - Step 2: Convert to fraction form
162,860.13/224,744.35 = 91,239.93/x - Step 3: Cross multiply
162,860.13x = 224,744.35 × 91,239.93 - Step 4: Simplify right side
162,860.13x = 20,505,658,761.90 - Step 5: Solve for x
x = 20,505,658,761.90/162,860.13 - Step 6: Final answer
x = 125,909.63
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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.