Finding the Fourth Proportional to 110,906.10, 153,050.25 and 63,159.48
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Solution
The fourth proportional to 110,906.10, 153,050.25 and 63,159.48 is: 87,159.99
Step by Step Solution
- Step 1: Write the proportion equation
110,906.10 : 153,050.25 = 63,159.48 : x - Step 2: Convert to fraction form
110,906.10/153,050.25 = 63,159.48/x - Step 3: Cross multiply
110,906.10x = 153,050.25 × 63,159.48 - Step 4: Simplify right side
110,906.10x = 9,666,574,203.87 - Step 5: Solve for x
x = 9,666,574,203.87/110,906.10 - Step 6: Final answer
x = 87,159.99
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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.