Finding the Fourth Proportional to 107,132.70, 147,833.19 and 59,381.99
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Solution
The fourth proportional to 107,132.70, 147,833.19 and 59,381.99 is: 81,941.63
Step by Step Solution
- Step 1: Write the proportion equation
107,132.70 : 147,833.19 = 59,381.99 : x - Step 2: Convert to fraction form
107,132.70/147,833.19 = 59,381.99/x - Step 3: Cross multiply
107,132.70x = 147,833.19 × 59,381.99 - Step 4: Simplify right side
107,132.70x = 8,778,628,326.17 - Step 5: Solve for x
x = 8,778,628,326.17/107,132.70 - Step 6: Final answer
x = 81,941.63
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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.