Finding the Fourth Proportional to 111,133.16, 153,325.68 and 63,351.98
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Solution
The fourth proportional to 111,133.16, 153,325.68 and 63,351.98 is: 87,404.02
Step by Step Solution
- Step 1: Write the proportion equation
111,133.16 : 153,325.68 = 63,351.98 : x - Step 2: Convert to fraction form
111,133.16/153,325.68 = 63,351.98/x - Step 3: Cross multiply
111,133.16x = 153,325.68 × 63,351.98 - Step 4: Simplify right side
111,133.16x = 9,713,485,412.85 - Step 5: Solve for x
x = 9,713,485,412.85/111,133.16 - Step 6: Final answer
x = 87,404.02
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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.