Finding the Fourth Proportional to 110,953.08, 153,119.16 and 63,213.84
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Solution
The fourth proportional to 110,953.08, 153,119.16 and 63,213.84 is: 87,237.33
Step by Step Solution
- Step 1: Write the proportion equation
110,953.08 : 153,119.16 = 63,213.84 : x - Step 2: Convert to fraction form
110,953.08/153,119.16 = 63,213.84/x - Step 3: Cross multiply
110,953.08x = 153,119.16 × 63,213.84 - Step 4: Simplify right side
110,953.08x = 9,679,250,081.17 - Step 5: Solve for x
x = 9,679,250,081.17/110,953.08 - Step 6: Final answer
x = 87,237.33
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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.