Finding the Fourth Proportional to 106,598.79, 147,102.39 and 58,851.09
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Solution
The fourth proportional to 106,598.79, 147,102.39 and 58,851.09 is: 81,212.33
Step by Step Solution
- Step 1: Write the proportion equation
106,598.79 : 147,102.39 = 58,851.09 : x - Step 2: Convert to fraction form
106,598.79/147,102.39 = 58,851.09/x - Step 3: Cross multiply
106,598.79x = 147,102.39 × 58,851.09 - Step 4: Simplify right side
106,598.79x = 8,657,135,993.11 - Step 5: Solve for x
x = 8,657,135,993.11/106,598.79 - Step 6: Final answer
x = 81,212.33
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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.