Finding the Fourth Proportional to 117,862.68, 177,089.26 and 110,776.80
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Solution
The fourth proportional to 117,862.68, 177,089.26 and 110,776.80 is: 166,442.69
Step by Step Solution
- Step 1: Write the proportion equation
117,862.68 : 177,089.26 = 110,776.80 : x - Step 2: Convert to fraction form
117,862.68/177,089.26 = 110,776.80/x - Step 3: Cross multiply
117,862.68x = 177,089.26 × 110,776.80 - Step 4: Simplify right side
117,862.68x = 19,617,381,537.17 - Step 5: Solve for x
x = 19,617,381,537.17/117,862.68 - Step 6: Final answer
x = 166,442.69
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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.