Finding the Fourth Proportional to 126,918.88, 175,153.44 and 70,330.08
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Solution
The fourth proportional to 126,918.88, 175,153.44 and 70,330.08 is: 97,058.49
Step by Step Solution
- Step 1: Write the proportion equation
126,918.88 : 175,153.44 = 70,330.08 : x - Step 2: Convert to fraction form
126,918.88/175,153.44 = 70,330.08/x - Step 3: Cross multiply
126,918.88x = 175,153.44 × 70,330.08 - Step 4: Simplify right side
126,918.88x = 12,318,555,447.48 - Step 5: Solve for x
x = 12,318,555,447.48/126,918.88 - Step 6: Final answer
x = 97,058.49
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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.