Finding the Fourth Proportional to 175,866.60, 263,627.10 and 87,133.80
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Solution
The fourth proportional to 175,866.60, 263,627.10 and 87,133.80 is: 130,615.09
Step by Step Solution
- Step 1: Write the proportion equation
175,866.60 : 263,627.10 = 87,133.80 : x - Step 2: Convert to fraction form
175,866.60/263,627.10 = 87,133.80/x - Step 3: Cross multiply
175,866.60x = 263,627.10 × 87,133.80 - Step 4: Simplify right side
175,866.60x = 22,970,831,005.98 - Step 5: Solve for x
x = 22,970,831,005.98/175,866.60 - Step 6: Final answer
x = 130,615.09
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1.5x scale
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.