Finding the Fourth Proportional to 135,577.14, 187,102.71 and 75,149.07
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Solution
The fourth proportional to 135,577.14, 187,102.71 and 75,149.07 is: 103,709.18
Step by Step Solution
- Step 1: Write the proportion equation
135,577.14 : 187,102.71 = 75,149.07 : x - Step 2: Convert to fraction form
135,577.14/187,102.71 = 75,149.07/x - Step 3: Cross multiply
135,577.14x = 187,102.71 × 75,149.07 - Step 4: Simplify right side
135,577.14x = 14,060,594,650.98 - Step 5: Solve for x
x = 14,060,594,650.98/135,577.14 - Step 6: Final answer
x = 103,709.18
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1.5x scale
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.