Finding the Fourth Proportional to 111,190.04, 153,439.44 and 62,132.08
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Solution
The fourth proportional to 111,190.04, 153,439.44 and 62,132.08 is: 85,740.70
Step by Step Solution
- Step 1: Write the proportion equation
111,190.04 : 153,439.44 = 62,132.08 : x - Step 2: Convert to fraction form
111,190.04/153,439.44 = 62,132.08/x - Step 3: Cross multiply
111,190.04x = 153,439.44 × 62,132.08 - Step 4: Simplify right side
111,190.04x = 9,533,511,561.24 - Step 5: Solve for x
x = 9,533,511,561.24/111,190.04 - Step 6: Final answer
x = 85,740.70
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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.