Finding the Fourth Proportional to 124,657.26, 187,053.93 and 72,169.26
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Solution
The fourth proportional to 124,657.26, 187,053.93 and 72,169.26 is: 108,293.28
Step by Step Solution
- Step 1: Write the proportion equation
124,657.26 : 187,053.93 = 72,169.26 : x - Step 2: Convert to fraction form
124,657.26/187,053.93 = 72,169.26/x - Step 3: Cross multiply
124,657.26x = 187,053.93 × 72,169.26 - Step 4: Simplify right side
124,657.26x = 13,499,543,708.19 - Step 5: Solve for x
x = 13,499,543,708.19/124,657.26 - Step 6: Final answer
x = 108,293.28
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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.