Finding the Fourth Proportional to 110,070.12, 151,871.58 and 62,316.84
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Solution
The fourth proportional to 110,070.12, 151,871.58 and 62,316.84 is: 85,982.98
Step by Step Solution
- Step 1: Write the proportion equation
110,070.12 : 151,871.58 = 62,316.84 : x - Step 2: Convert to fraction form
110,070.12/151,871.58 = 62,316.84/x - Step 3: Cross multiply
110,070.12x = 151,871.58 × 62,316.84 - Step 4: Simplify right side
110,070.12x = 9,464,156,951.41 - Step 5: Solve for x
x = 9,464,156,951.41/110,070.12 - Step 6: Final answer
x = 85,982.98
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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.