Finding the Fourth Proportional to 135,825.93, 187,430.90 and 75,393.63
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Solution
The fourth proportional to 135,825.93, 187,430.90 and 75,393.63 is: 104,038.28
Step by Step Solution
- Step 1: Write the proportion equation
135,825.93 : 187,430.90 = 75,393.63 : x - Step 2: Convert to fraction form
135,825.93/187,430.90 = 75,393.63/x - Step 3: Cross multiply
135,825.93x = 187,430.90 × 75,393.63 - Step 4: Simplify right side
135,825.93x = 14,131,095,548.20 - Step 5: Solve for x
x = 14,131,095,548.20/135,825.93 - Step 6: Final answer
x = 104,038.28
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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.