Finding the Fourth Proportional to 140,014.68, 193,203.08 and 85,594.23
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Solution
The fourth proportional to 140,014.68, 193,203.08 and 85,594.23 is: 118,109.53
Step by Step Solution
- Step 1: Write the proportion equation
140,014.68 : 193,203.08 = 85,594.23 : x - Step 2: Convert to fraction form
140,014.68/193,203.08 = 85,594.23/x - Step 3: Cross multiply
140,014.68x = 193,203.08 × 85,594.23 - Step 4: Simplify right side
140,014.68x = 16,537,068,438.26 - Step 5: Solve for x
x = 16,537,068,438.26/140,014.68 - Step 6: Final answer
x = 118,109.53
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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.