Finding the Fourth Proportional to 125,241.99, 172,999.58 and 93,355.53
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Solution
The fourth proportional to 125,241.99, 172,999.58 and 93,355.53 is: 128,954.09
Step by Step Solution
- Step 1: Write the proportion equation
125,241.99 : 172,999.58 = 93,355.53 : x - Step 2: Convert to fraction form
125,241.99/172,999.58 = 93,355.53/x - Step 3: Cross multiply
125,241.99x = 172,999.58 × 93,355.53 - Step 4: Simplify right side
125,241.99x = 16,150,467,013.90 - Step 5: Solve for x
x = 16,150,467,013.90/125,241.99 - Step 6: Final answer
x = 128,954.09
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1.5x scale
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.