Finding the Fourth Proportional to 122,695.66, 169,317.57 and 68,246.65
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Solution
The fourth proportional to 122,695.66, 169,317.57 and 68,246.65 is: 94,179.02
Step by Step Solution
- Step 1: Write the proportion equation
122,695.66 : 169,317.57 = 68,246.65 : x - Step 2: Convert to fraction form
122,695.66/169,317.57 = 68,246.65/x - Step 3: Cross multiply
122,695.66x = 169,317.57 × 68,246.65 - Step 4: Simplify right side
122,695.66x = 11,555,356,830.38 - Step 5: Solve for x
x = 11,555,356,830.38/122,695.66 - Step 6: Final answer
x = 94,179.02
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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.