Finding the Fourth Proportional to 107,141.68, 147,852.84 and 59,394.88
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Solution
The fourth proportional to 107,141.68, 147,852.84 and 59,394.88 is: 81,963.45
Step by Step Solution
- Step 1: Write the proportion equation
107,141.68 : 147,852.84 = 59,394.88 : x - Step 2: Convert to fraction form
107,141.68/147,852.84 = 59,394.88/x - Step 3: Cross multiply
107,141.68x = 147,852.84 × 59,394.88 - Step 4: Simplify right side
107,141.68x = 8,781,701,689.46 - Step 5: Solve for x
x = 8,781,701,689.46/107,141.68 - Step 6: Final answer
x = 81,963.45
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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.