Finding the Fourth Proportional to 126,539.90, 174,627.12 and 75,557.08
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Solution
The fourth proportional to 126,539.90, 174,627.12 and 75,557.08 is: 104,270.00
Step by Step Solution
- Step 1: Write the proportion equation
126,539.90 : 174,627.12 = 75,557.08 : x - Step 2: Convert to fraction form
126,539.90/174,627.12 = 75,557.08/x - Step 3: Cross multiply
126,539.90x = 174,627.12 × 75,557.08 - Step 4: Simplify right side
126,539.90x = 13,194,315,276.01 - Step 5: Solve for x
x = 13,194,315,276.01/126,539.90 - Step 6: Final answer
x = 104,270.00
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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.