Finding the Fourth Proportional to 122,607.97, 169,194.98 and 68,159.88
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Solution
The fourth proportional to 122,607.97, 169,194.98 and 68,159.88 is: 94,058.40
Step by Step Solution
- Step 1: Write the proportion equation
122,607.97 : 169,194.98 = 68,159.88 : x - Step 2: Convert to fraction form
122,607.97/169,194.98 = 68,159.88/x - Step 3: Cross multiply
122,607.97x = 169,194.98 × 68,159.88 - Step 4: Simplify right side
122,607.97x = 11,532,309,703.80 - Step 5: Solve for x
x = 11,532,309,703.80/122,607.97 - Step 6: Final answer
x = 94,058.40
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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.