Finding the Fourth Proportional to 125,056.74, 187,603.15 and 40,796.07
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Solution
The fourth proportional to 125,056.74, 187,603.15 and 40,796.07 is: 61,199.99
Step by Step Solution
- Step 1: Write the proportion equation
125,056.74 : 187,603.15 = 40,796.07 : x - Step 2: Convert to fraction form
125,056.74/187,603.15 = 40,796.07/x - Step 3: Cross multiply
125,056.74x = 187,603.15 × 40,796.07 - Step 4: Simplify right side
125,056.74x = 7,653,471,239.62 - Step 5: Solve for x
x = 7,653,471,239.62/125,056.74 - Step 6: Final answer
x = 61,199.99
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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.