Finding the Fourth Proportional to 122,844.83, 169,525.52 and 69,129.85
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Solution
The fourth proportional to 122,844.83, 169,525.52 and 69,129.85 is: 95,398.99
Step by Step Solution
- Step 1: Write the proportion equation
122,844.83 : 169,525.52 = 69,129.85 : x - Step 2: Convert to fraction form
122,844.83/169,525.52 = 69,129.85/x - Step 3: Cross multiply
122,844.83x = 169,525.52 × 69,129.85 - Step 4: Simplify right side
122,844.83x = 11,719,272,908.67 - Step 5: Solve for x
x = 11,719,272,908.67/122,844.83 - Step 6: Final answer
x = 95,398.99
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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.