Finding the Fourth Proportional to 122,695.08, 169,320.95 and 68,977.09
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Solution
The fourth proportional to 122,695.08, 169,320.95 and 68,977.09 is: 95,189.36
Step by Step Solution
- Step 1: Write the proportion equation
122,695.08 : 169,320.95 = 68,977.09 : x - Step 2: Convert to fraction form
122,695.08/169,320.95 = 68,977.09/x - Step 3: Cross multiply
122,695.08x = 169,320.95 × 68,977.09 - Step 4: Simplify right side
122,695.08x = 11,679,266,407.04 - Step 5: Solve for x
x = 11,679,266,407.04/122,695.08 - Step 6: Final answer
x = 95,189.36
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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.