Finding the Fourth Proportional to 135,759.42, 187,352.28 and 75,334.50
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Solution
The fourth proportional to 135,759.42, 187,352.28 and 75,334.50 is: 103,963.99
Step by Step Solution
- Step 1: Write the proportion equation
135,759.42 : 187,352.28 = 75,334.50 : x - Step 2: Convert to fraction form
135,759.42/187,352.28 = 75,334.50/x - Step 3: Cross multiply
135,759.42x = 187,352.28 × 75,334.50 - Step 4: Simplify right side
135,759.42x = 14,114,090,337.66 - Step 5: Solve for x
x = 14,114,090,337.66/135,759.42 - Step 6: Final answer
x = 103,963.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.