Finding the Fourth Proportional to 102,246.60, 153,369.90 and 32,125.80
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Solution
The fourth proportional to 102,246.60, 153,369.90 and 32,125.80 is: 48,188.70
Step by Step Solution
- Step 1: Write the proportion equation
102,246.60 : 153,369.90 = 32,125.80 : x - Step 2: Convert to fraction form
102,246.60/153,369.90 = 32,125.80/x - Step 3: Cross multiply
102,246.60x = 153,369.90 × 32,125.80 - Step 4: Simplify right side
102,246.60x = 4,927,130,733.42 - Step 5: Solve for x
x = 4,927,130,733.42/102,246.60 - Step 6: Final answer
x = 48,188.70
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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.