Finding the Fourth Proportional to 122,554.74, 183,987.66 and 104,203.38
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Solution
The fourth proportional to 122,554.74, 183,987.66 and 104,203.38 is: 156,437.33
Step by Step Solution
- Step 1: Write the proportion equation
122,554.74 : 183,987.66 = 104,203.38 : x - Step 2: Convert to fraction form
122,554.74/183,987.66 = 104,203.38/x - Step 3: Cross multiply
122,554.74x = 183,987.66 × 104,203.38 - Step 4: Simplify right side
122,554.74x = 19,172,136,050.29 - Step 5: Solve for x
x = 19,172,136,050.29/122,554.74 - Step 6: Final answer
x = 156,437.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.