Finding the Fourth Proportional to 110,967.14, 153,126.78 and 63,211.70
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Solution
The fourth proportional to 110,967.14, 153,126.78 and 63,211.70 is: 87,227.66
Step by Step Solution
- Step 1: Write the proportion equation
110,967.14 : 153,126.78 = 63,211.70 : x - Step 2: Convert to fraction form
110,967.14/153,126.78 = 63,211.70/x - Step 3: Cross multiply
110,967.14x = 153,126.78 × 63,211.70 - Step 4: Simplify right side
110,967.14x = 9,679,404,079.33 - Step 5: Solve for x
x = 9,679,404,079.33/110,967.14 - Step 6: Final answer
x = 87,227.66
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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.