Finding the Fourth Proportional to 135,534.43, 187,038.61 and 75,106.08
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Solution
The fourth proportional to 135,534.43, 187,038.61 and 75,106.08 is: 103,646.99
Step by Step Solution
- Step 1: Write the proportion equation
135,534.43 : 187,038.61 = 75,106.08 : x - Step 2: Convert to fraction form
135,534.43/187,038.61 = 75,106.08/x - Step 3: Cross multiply
135,534.43x = 187,038.61 × 75,106.08 - Step 4: Simplify right side
135,534.43x = 14,047,735,495.03 - Step 5: Solve for x
x = 14,047,735,495.03/135,534.43 - Step 6: Final answer
x = 103,646.99
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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.