Finding the Fourth Proportional to 107,432.04, 148,136.70 and 73,446.06
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Solution
The fourth proportional to 107,432.04, 148,136.70 and 73,446.06 is: 101,273.86
Step by Step Solution
- Step 1: Write the proportion equation
107,432.04 : 148,136.70 = 73,446.06 : x - Step 2: Convert to fraction form
107,432.04/148,136.70 = 73,446.06/x - Step 3: Cross multiply
107,432.04x = 148,136.70 × 73,446.06 - Step 4: Simplify right side
107,432.04x = 10,880,056,956.40 - Step 5: Solve for x
x = 10,880,056,956.40/107,432.04 - Step 6: Final answer
x = 101,273.86
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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.