Finding the Fourth Proportional to 102,714.08, 141,752.04 and 60,257.12
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Solution
The fourth proportional to 102,714.08, 141,752.04 and 60,257.12 is: 83,158.70
Step by Step Solution
- Step 1: Write the proportion equation
102,714.08 : 141,752.04 = 60,257.12 : x - Step 2: Convert to fraction form
102,714.08/141,752.04 = 60,257.12/x - Step 3: Cross multiply
102,714.08x = 141,752.04 × 60,257.12 - Step 4: Simplify right side
102,714.08x = 8,541,569,684.52 - Step 5: Solve for x
x = 8,541,569,684.52/102,714.08 - Step 6: Final answer
x = 83,158.70
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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.