Finding the Fourth Proportional to 134,654.33, 185,822.93 and 74,225.99
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Solution
The fourth proportional to 134,654.33, 185,822.93 and 74,225.99 is: 102,431.83
Step by Step Solution
- Step 1: Write the proportion equation
134,654.33 : 185,822.93 = 74,225.99 : x - Step 2: Convert to fraction form
134,654.33/185,822.93 = 74,225.99/x - Step 3: Cross multiply
134,654.33x = 185,822.93 × 74,225.99 - Step 4: Simplify right side
134,654.33x = 13,792,890,131.30 - Step 5: Solve for x
x = 13,792,890,131.30/134,654.33 - Step 6: Final answer
x = 102,431.83
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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.