Finding the Fourth Proportional to 106,701.12, 160,152.12 and 54,148.32
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Solution
The fourth proportional to 106,701.12, 160,152.12 and 54,148.32 is: 81,273.45
Step by Step Solution
- Step 1: Write the proportion equation
106,701.12 : 160,152.12 = 54,148.32 : x - Step 2: Convert to fraction form
106,701.12/160,152.12 = 54,148.32/x - Step 3: Cross multiply
106,701.12x = 160,152.12 × 54,148.32 - Step 4: Simplify right side
106,701.12x = 8,671,968,242.44 - Step 5: Solve for x
x = 8,671,968,242.44/106,701.12 - Step 6: Final answer
x = 81,273.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.