Finding the Fourth Proportional to 125,396.13, 187,773.05 and 69,173.75
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Solution
The fourth proportional to 125,396.13, 187,773.05 and 69,173.75 is: 103,583.47
Step by Step Solution
- Step 1: Write the proportion equation
125,396.13 : 187,773.05 = 69,173.75 : x - Step 2: Convert to fraction form
125,396.13/187,773.05 = 69,173.75/x - Step 3: Cross multiply
125,396.13x = 187,773.05 × 69,173.75 - Step 4: Simplify right side
125,396.13x = 12,988,966,659.80 - Step 5: Solve for x
x = 12,988,966,659.80/125,396.13 - Step 6: Final answer
x = 103,583.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.