Finding the Fourth Proportional to 122,069.04, 168,455.08 and 68,354.08
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Solution
The fourth proportional to 122,069.04, 168,455.08 and 68,354.08 is: 94,328.52
Step by Step Solution
- Step 1: Write the proportion equation
122,069.04 : 168,455.08 = 68,354.08 : x - Step 2: Convert to fraction form
122,069.04/168,455.08 = 68,354.08/x - Step 3: Cross multiply
122,069.04x = 168,455.08 × 68,354.08 - Step 4: Simplify right side
122,069.04x = 11,514,592,014.73 - Step 5: Solve for x
x = 11,514,592,014.73/122,069.04 - Step 6: Final answer
x = 94,328.52
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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.