Finding the Fourth Proportional to 122,001.18, 168,353.80 and 68,277.12
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Solution
The fourth proportional to 122,001.18, 168,353.80 and 68,277.12 is: 94,218.04
Step by Step Solution
- Step 1: Write the proportion equation
122,001.18 : 168,353.80 = 68,277.12 : x - Step 2: Convert to fraction form
122,001.18/168,353.80 = 68,277.12/x - Step 3: Cross multiply
122,001.18x = 168,353.80 × 68,277.12 - Step 4: Simplify right side
122,001.18x = 11,494,712,605.06 - Step 5: Solve for x
x = 11,494,712,605.06/122,001.18 - Step 6: Final answer
x = 94,218.04
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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.