Finding the Fourth Proportional to 107,136.04, 147,844.74 and 64,679.08
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Solution
The fourth proportional to 107,136.04, 147,844.74 and 64,679.08 is: 89,255.32
Step by Step Solution
- Step 1: Write the proportion equation
107,136.04 : 147,844.74 = 64,679.08 : x - Step 2: Convert to fraction form
107,136.04/147,844.74 = 64,679.08/x - Step 3: Cross multiply
107,136.04x = 147,844.74 × 64,679.08 - Step 4: Simplify right side
107,136.04x = 9,562,461,766.04 - Step 5: Solve for x
x = 9,562,461,766.04/107,136.04 - Step 6: Final answer
x = 89,255.32
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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.