Finding the Fourth Proportional to 119,025.91, 164,230.08 and 68,695.75
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Solution
The fourth proportional to 119,025.91, 164,230.08 and 68,695.75 is: 94,785.32
Step by Step Solution
- Step 1: Write the proportion equation
119,025.91 : 164,230.08 = 68,695.75 : x - Step 2: Convert to fraction form
119,025.91/164,230.08 = 68,695.75/x - Step 3: Cross multiply
119,025.91x = 164,230.08 × 68,695.75 - Step 4: Simplify right side
119,025.91x = 11,281,908,518.16 - Step 5: Solve for x
x = 11,281,908,518.16/119,025.91 - Step 6: Final answer
x = 94,785.32
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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.