Finding the Fourth Proportional to 111,526.07, 153,901.82 and 63,778.19
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Solution
The fourth proportional to 111,526.07, 153,901.82 and 63,778.19 is: 88,011.52
Step by Step Solution
- Step 1: Write the proportion equation
111,526.07 : 153,901.82 = 63,778.19 : x - Step 2: Convert to fraction form
111,526.07/153,901.82 = 63,778.19/x - Step 3: Cross multiply
111,526.07x = 153,901.82 × 63,778.19 - Step 4: Simplify right side
111,526.07x = 9,815,578,907.24 - Step 5: Solve for x
x = 9,815,578,907.24/111,526.07 - Step 6: Final answer
x = 88,011.52
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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.