Finding the Fourth Proportional to 134,862.58, 201,268.38 and 119,916.19
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Solution
The fourth proportional to 134,862.58, 201,268.38 and 119,916.19 is: 178,962.45
Step by Step Solution
- Step 1: Write the proportion equation
134,862.58 : 201,268.38 = 119,916.19 : x - Step 2: Convert to fraction form
134,862.58/201,268.38 = 119,916.19/x - Step 3: Cross multiply
134,862.58x = 201,268.38 × 119,916.19 - Step 4: Simplify right side
134,862.58x = 24,135,337,297.07 - Step 5: Solve for x
x = 24,135,337,297.07/134,862.58 - Step 6: Final answer
x = 178,962.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.