Finding the Fourth Proportional to 111,041.12, 153,240.36 and 60,740.12
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Solution
The fourth proportional to 111,041.12, 153,240.36 and 60,740.12 is: 83,823.34
Step by Step Solution
- Step 1: Write the proportion equation
111,041.12 : 153,240.36 = 60,740.12 : x - Step 2: Convert to fraction form
111,041.12/153,240.36 = 60,740.12/x - Step 3: Cross multiply
111,041.12x = 153,240.36 × 60,740.12 - Step 4: Simplify right side
111,041.12x = 9,307,837,855.24 - Step 5: Solve for x
x = 9,307,837,855.24/111,041.12 - Step 6: Final answer
x = 83,823.34
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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.