Finding the Fourth Proportional to 107,152.84, 147,874.43 and 59,410.63
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Solution
The fourth proportional to 107,152.84, 147,874.43 and 59,410.63 is: 81,988.61
Step by Step Solution
- Step 1: Write the proportion equation
107,152.84 : 147,874.43 = 59,410.63 : x - Step 2: Convert to fraction form
107,152.84/147,874.43 = 59,410.63/x - Step 3: Cross multiply
107,152.84x = 147,874.43 × 59,410.63 - Step 4: Simplify right side
107,152.84x = 8,785,312,750.14 - Step 5: Solve for x
x = 8,785,312,750.14/107,152.84 - Step 6: Final answer
x = 81,988.61
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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.